test_snail.py

from unittest import TestCase

from snail import snail


class TestSnail(TestCase):
    
    def test_snail_001(self):
        self.assertEqual(snail([[]]), [])
    
    def test_snail_002(self):
        self.assertEqual(snail([[1]]), [1])
    
    def test_snail_003(self):
        self.assertEqual(snail([[1, 2, 3], [4, 5, 6], [7, 8, 9]]),
                         [1, 2, 3, 6, 9, 8, 7, 4, 5])
    
    def test_snail_004(self):
        self.assertEqual(snail(
                [[1, 2, 3, 4, 5], [6, 7, 8, 9, 10], [11, 12, 13, 14, 15],
                 [16, 17, 18, 19, 20], [21, 22, 23, 24, 25]]),
                         [1, 2, 3, 4, 5, 10, 15, 20, 25, 24, 23, 22, 21, 16, 11,
                          6, 7, 8, 9, 14, 19, 18, 17, 12, 13])
    
    def test_snail_005(self):
        self.assertEqual(snail([[1, 2, 3, 4, 5, 6], [20, 21, 22, 23, 24, 7],
                                [19, 32, 33, 34, 25, 8],
                                [18, 31, 36, 35, 26, 9],
                                [17, 30, 29, 28, 27, 10],
                                [16, 15, 14, 13, 12, 11]]),
                         [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
                          17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
                          30, 31, 32, 33, 34, 35, 36])
    
    def test_snail_006(self):
        self.assertEqual(snail([[350]]), [350])
    
    def test_snail_007(self):
        self.assertEqual(snail([[545, 588, 42, 119, 791, 866, 142, 699, 611,
                                 400, 465, 373, 30, 71, 950, 813, 850, 652],
                                [664, 853, 1000, 561, 102, 363, 807, 553, 973,
                                 643, 142, 433, 378, 702, 250, 641, 967, 172],
                                [908, 928, 776, 82, 547, 224, 730, 158, 169, 8,
                                 111, 847, 891, 142, 906, 609, 443, 211],
                                [417, 35, 192, 167, 579, 885, 160, 755, 522,
                                 360, 382, 783, 986, 474, 761, 416, 564, 561],
                                [506, 160, 540, 575, 374, 854, 313, 656, 546,
                                 924, 838, 831, 23, 146, 116, 136, 47, 889],
                                [932, 515, 627, 982, 886, 609, 67, 966, 262,
                                 953, 299, 246, 488, 526, 524, 855, 954, 752],
                                [182, 310, 522, 423, 907, 743, 440, 827, 548,
                                 162, 397, 494, 592, 629, 856, 288, 601, 188],
                                [963, 862, 9, 812, 947, 721, 37, 170, 69, 326,
                                 661, 829, 69, 341, 100, 751, 951, 844],
                                [252, 831, 293, 346, 830, 639, 657, 425, 294,
                                 47, 477, 786, 852, 821, 858, 438, 251, 296],
                                [136, 891, 795, 298, 144, 686, 845, 781, 737,
                                 850, 413, 88, 333, 311, 628, 962, 785, 548],
                                [307, 294, 706, 298, 825, 108, 508, 358, 978,
                                 707, 26, 774, 332, 252, 407, 466, 77, 141],
                                [803, 134, 246, 768, 431, 724, 448, 362, 875,
                                 983, 188, 254, 332, 249, 162, 167, 911, 639],
                                [266, 399, 765, 878, 433, 414, 178, 225, 507,
                                 112, 510, 124, 88, 969, 728, 18, 813, 763],
                                [714, 580, 290, 935, 331, 813, 781, 114, 183,
                                 437, 287, 870, 719, 690, 880, 319, 939, 715],
                                [283, 165, 518, 34, 109, 638, 327, 3, 369, 979,
                                 696, 845, 34, 498, 736, 372, 166, 931],
                                [728, 490, 910, 342, 460, 955, 876, 935, 976,
                                 887, 190, 517, 362, 15, 486, 138, 681, 996],
                                [585, 139, 62, 485, 628, 667, 213, 29, 910, 333,
                                 854, 201, 613, 27, 552, 244, 251, 177],
                                [222, 791, 454, 246, 525, 626, 58, 512, 642,
                                 561, 309, 674, 607, 441, 728, 782, 375, 113]]),
                         [545, 588, 42, 119, 791, 866, 142, 699, 611, 400, 465,
                          373, 30, 71, 950, 813, 850, 652, 172, 211, 561, 889,
                          752, 188, 844, 296, 548, 141, 639, 763, 715, 931, 996,
                          177, 113, 375, 782, 728, 441, 607, 674, 309, 561, 642,
                          512, 58, 626, 525, 246, 454, 791, 222, 585, 728, 283,
                          714, 266, 803, 307, 136, 252, 963, 182, 932, 506, 417,
                          908, 664, 853, 1000, 561, 102, 363, 807, 553, 973,
                          643, 142, 433, 378, 702, 250, 641, 967, 443, 564, 47,
                          954, 601, 951, 251, 785, 77, 911, 813, 939, 166, 681,
                          251, 244, 552, 27, 613, 201, 854, 333, 910, 29, 213,
                          667, 628, 485, 62, 139, 490, 165, 580, 399, 134, 294,
                          891, 831, 862, 310, 515, 160, 35, 928, 776, 82, 547,
                          224, 730, 158, 169, 8, 111, 847, 891, 142, 906, 609,
                          416, 136, 855, 288, 751, 438, 962, 466, 167, 18, 319,
                          372, 138, 486, 15, 362, 517, 190, 887, 976, 935, 876,
                          955, 460, 342, 910, 518, 290, 765, 246, 706, 795, 293,
                          9, 522, 627, 540, 192, 167, 579, 885, 160, 755, 522,
                          360, 382, 783, 986, 474, 761, 116, 524, 856, 100, 858,
                          628, 407, 162, 728, 880, 736, 498, 34, 845, 696, 979,
                          369, 3, 327, 638, 109, 34, 935, 878, 768, 298, 298,
                          346, 812, 423, 982, 575, 374, 854, 313, 656, 546, 924,
                          838, 831, 23, 146, 526, 629, 341, 821, 311, 252, 249,
                          969, 690, 719, 870, 287, 437, 183, 114, 781, 813, 331,
                          433, 431, 825, 144, 830, 947, 907, 886, 609, 67, 966,
                          262, 953, 299, 246, 488, 592, 69, 852, 333, 332, 332,
                          88, 124, 510, 112, 507, 225, 178, 414, 724, 108, 686,
                          639, 721, 743, 440, 827, 548, 162, 397, 494, 829, 786,
                          88, 774, 254, 188, 983, 875, 362, 448, 508, 845, 657,
                          37, 170, 69, 326, 661, 477, 413, 26, 707, 978, 358,
                          781, 425, 294, 47, 850, 737])
    
    def test_snail_008(self):
        self.assertEqual(snail([[844, 865, 787, 987, 255, 928, 812],
                                [533, 376, 869, 60, 824, 527, 355],
                                [238, 330, 215, 201, 335, 29, 225],
                                [828, 63, 172, 620, 315, 361, 758],
                                [14, 964, 210, 530, 997, 568, 288],
                                [855, 152, 486, 856, 360, 545, 564],
                                [549, 259, 544, 508, 793, 934, 567]]),
                         [844, 865, 787, 987, 255, 928, 812, 355, 225, 758, 288,
                          564, 567, 934, 793, 508, 544, 259, 549, 855, 14, 828,
                          238, 533, 376, 869, 60, 824, 527, 29, 361, 568, 545,
                          360, 856, 486, 152, 964, 63, 330, 215, 201, 335, 315,
                          997, 530, 210, 172, 620])
    
    def test_snail_009(self):
        self.assertEqual(snail([[277, 149, 76, 473, 385, 633, 41, 517, 918, 462,
                                 769, 726, 161, 694, 26, 717, 309, 484],
                                [822, 156, 851, 683, 303, 638, 818, 714, 303,
                                 509, 353, 557, 51, 592, 663, 475, 725, 40],
                                [40, 155, 345, 977, 600, 812, 851, 559, 152,
                                 256, 965, 586, 591, 966, 146, 868, 262, 931],
                                [855, 170, 534, 89, 73, 910, 741, 195, 4, 547,
                                 916, 887, 912, 610, 815, 619, 508, 196],
                                [600, 735, 378, 713, 511, 639, 703, 269, 326,
                                 650, 223, 993, 760, 894, 430, 705, 896, 814],
                                [444, 223, 939, 289, 624, 837, 541, 975, 608,
                                 446, 787, 963, 647, 660, 827, 544, 894, 634],
                                [643, 836, 653, 921, 77, 574, 411, 242, 52, 242,
                                 411, 827, 875, 617, 653, 180, 85, 390],
                                [592, 287, 28, 699, 663, 170, 548, 812, 792, 68,
                                 376, 733, 147, 475, 803, 513, 815, 515],
                                [366, 76, 557, 607, 661, 516, 434, 136, 41, 551,
                                 670, 662, 248, 205, 485, 509, 59, 833],
                                [394, 608, 437, 669, 92, 194, 441, 444, 68, 269,
                                 512, 104, 121, 176, 422, 278, 953, 69],
                                [187, 714, 933, 50, 576, 276, 594, 283, 258,
                                 268, 95, 111, 353, 139, 342, 274, 141, 69],
                                [588, 50, 105, 400, 470, 733, 51, 342, 193, 6,
                                 909, 690, 697, 215, 612, 27, 629, 861],
                                [784, 253, 98, 563, 118, 138, 610, 486, 602,
                                 779, 153, 478, 956, 107, 460, 850, 447, 21],
                                [690, 48, 219, 72, 384, 261, 474, 383, 632, 868,
                                 922, 826, 651, 612, 684, 339, 418, 743],
                                [955, 462, 403, 996, 131, 70, 485, 523, 407,
                                 932, 100, 688, 240, 970, 98, 681, 356, 609],
                                [376, 795, 982, 482, 813, 496, 635, 618, 728,
                                 96, 982, 884, 362, 168, 470, 919, 672, 921],
                                [327, 201, 195, 628, 731, 453, 778, 719, 751,
                                 115, 429, 675, 983, 281, 389, 396, 876, 484],
                                [867, 449, 958, 381, 640, 749, 216, 358, 226,
                                 155, 568, 795, 584, 220, 900, 207, 12, 440]]),
                         [277, 149, 76, 473, 385, 633, 41, 517, 918, 462, 769,
                          726, 161, 694, 26, 717, 309, 484, 40, 931, 196, 814,
                          634, 390, 515, 833, 69, 69, 861, 21, 743, 609, 921,
                          484, 440, 12, 207, 900, 220, 584, 795, 568, 155, 226,
                          358, 216, 749, 640, 381, 958, 449, 867, 327, 376, 955,
                          690, 784, 588, 187, 394, 366, 592, 643, 444, 600, 855,
                          40, 822, 156, 851, 683, 303, 638, 818, 714, 303, 509,
                          353, 557, 51, 592, 663, 475, 725, 262, 508, 896, 894,
                          85, 815, 59, 953, 141, 629, 447, 418, 356, 672, 876,
                          396, 389, 281, 983, 675, 429, 115, 751, 719, 778, 453,
                          731, 628, 195, 201, 795, 462, 48, 253, 50, 714, 608,
                          76, 287, 836, 223, 735, 170, 155, 345, 977, 600, 812,
                          851, 559, 152, 256, 965, 586, 591, 966, 146, 868, 619,
                          705, 544, 180, 513, 509, 278, 274, 27, 850, 339, 681,
                          919, 470, 168, 362, 884, 982, 96, 728, 618, 635, 496,
                          813, 482, 982, 403, 219, 98, 105, 933, 437, 557, 28,
                          653, 939, 378, 534, 89, 73, 910, 741, 195, 4, 547,
                          916, 887, 912, 610, 815, 430, 827, 653, 803, 485, 422,
                          342, 612, 460, 684, 98, 970, 240, 688, 100, 932, 407,
                          523, 485, 70, 131, 996, 72, 563, 400, 50, 669, 607,
                          699, 921, 289, 713, 511, 639, 703, 269, 326, 650, 223,
                          993, 760, 894, 660, 617, 475, 205, 176, 139, 215, 107,
                          612, 651, 826, 922, 868, 632, 383, 474, 261, 384, 118,
                          470, 576, 92, 661, 663, 77, 624, 837, 541, 975, 608,
                          446, 787, 963, 647, 875, 147, 248, 121, 353, 697, 956,
                          478, 153, 779, 602, 486, 610, 138, 733, 276, 194, 516,
                          170, 574, 411, 242, 52, 242, 411, 827, 733, 662, 104,
                          111, 690, 909, 6, 193, 342, 51, 594, 441, 434, 548,
                          812, 792, 68, 376, 670, 512, 95, 268, 258, 283, 444,
                          136, 41, 551, 269, 68])
    
    def test_snail_010(self):
        self.assertEqual(snail([[831, 609, 235, 391, 645, 469, 352, 982, 96,
                                 596, 79, 460, 438, 280, 390],
                                [639, 19, 257, 411, 862, 508, 652, 265, 609,
                                 188, 443, 425, 584, 11, 329],
                                [616, 731, 442, 315, 530, 954, 306, 455, 808,
                                 921, 604, 282, 695, 778, 711],
                                [205, 735, 423, 803, 480, 736, 47, 13, 478, 960,
                                 268, 844, 611, 102, 489],
                                [271, 314, 134, 650, 634, 984, 925, 565, 67,
                                 651, 139, 697, 735, 616, 83],
                                [124, 381, 202, 355, 488, 99, 269, 486, 900,
                                 601, 449, 777, 607, 702, 504],
                                [259, 357, 104, 126, 784, 649, 30, 243, 716,
                                 436, 917, 272, 629, 864, 131],
                                [333, 402, 81, 766, 352, 14, 227, 796, 572, 623,
                                 176, 196, 870, 5, 822],
                                [469, 67, 286, 430, 711, 336, 78, 384, 71, 783,
                                 832, 458, 940, 511, 160],
                                [783, 286, 352, 679, 233, 493, 549, 83, 137,
                                 498, 450, 214, 856, 925, 585],
                                [360, 663, 80, 307, 411, 97, 42, 857, 865, 954,
                                 30, 778, 691, 880, 898],
                                [354, 373, 818, 619, 465, 957, 268, 876, 19, 58,
                                 163, 138, 283, 970, 267],
                                [773, 79, 892, 808, 810, 35, 147, 377, 502, 400,
                                 742, 345, 35, 120, 859],
                                [933, 643, 548, 241, 817, 661, 936, 837, 571,
                                 596, 177, 296, 531, 836, 805],
                                [915, 268, 534, 369, 791, 90, 843, 104, 293, 92,
                                 270, 306, 226, 797, 903]]),
                         [831, 609, 235, 391, 645, 469, 352, 982, 96, 596, 79,
                          460, 438, 280, 390, 329, 711, 489, 83, 504, 131, 822,
                          160, 585, 898, 267, 859, 805, 903, 797, 226, 306, 270,
                          92, 293, 104, 843, 90, 791, 369, 534, 268, 915, 933,
                          773, 354, 360, 783, 469, 333, 259, 124, 271, 205, 616,
                          639, 19, 257, 411, 862, 508, 652, 265, 609, 188, 443,
                          425, 584, 11, 778, 102, 616, 702, 864, 5, 511, 925,
                          880, 970, 120, 836, 531, 296, 177, 596, 571, 837, 936,
                          661, 817, 241, 548, 643, 79, 373, 663, 286, 67, 402,
                          357, 381, 314, 735, 731, 442, 315, 530, 954, 306, 455,
                          808, 921, 604, 282, 695, 611, 735, 607, 629, 870, 940,
                          856, 691, 283, 35, 345, 742, 400, 502, 377, 147, 35,
                          810, 808, 892, 818, 80, 352, 286, 81, 104, 202, 134,
                          423, 803, 480, 736, 47, 13, 478, 960, 268, 844, 697,
                          777, 272, 196, 458, 214, 778, 138, 163, 58, 19, 876,
                          268, 957, 465, 619, 307, 679, 430, 766, 126, 355, 650,
                          634, 984, 925, 565, 67, 651, 139, 449, 917, 176, 832,
                          450, 30, 954, 865, 857, 42, 97, 411, 233, 711, 352,
                          784, 488, 99, 269, 486, 900, 601, 436, 623, 783, 498,
                          137, 83, 549, 493, 336, 14, 649, 30, 243, 716, 572,
                          71, 384, 78, 227, 796])
    
    def test_snail_011(self):
        self.assertEqual(snail([[900, 61, 525, 325, 420, 389, 718, 967, 116,
                                 156, 877, 301, 815],
                                [325, 921, 851, 66, 226, 759, 166, 754, 972,
                                 199, 26, 673, 81],
                                [953, 211, 277, 170, 498, 206, 11, 766, 742,
                                 101, 661, 674, 501],
                                [613, 645, 897, 883, 24, 499, 408, 404, 93, 464,
                                 815, 546, 830],
                                [103, 374, 494, 259, 597, 463, 83, 658, 867,
                                 321, 311, 942, 265],
                                [279, 214, 989, 896, 644, 152, 130, 439, 917,
                                 664, 293, 835, 469],
                                [114, 212, 935, 146, 589, 399, 128, 61, 242,
                                 1000, 695, 340, 119],
                                [67, 258, 342, 377, 207, 186, 296, 249, 902,
                                 607, 168, 151, 890],
                                [331, 274, 68, 643, 694, 918, 141, 718, 26, 659,
                                 786, 247, 685],
                                [760, 128, 36, 115, 509, 292, 665, 755, 426,
                                 380, 813, 1000, 366],
                                [459, 285, 200, 835, 851, 925, 217, 506, 749,
                                 313, 546, 588, 902],
                                [475, 556, 67, 602, 323, 842, 248, 103, 413,
                                 276, 513, 254, 478],
                                [478, 749, 519, 165, 158, 393, 952, 614, 291,
                                 781, 344, 774, 42]]),
                         [900, 61, 525, 325, 420, 389, 718, 967, 116, 156, 877,
                          301, 815, 81, 501, 830, 265, 469, 119, 890, 685, 366,
                          902, 478, 42, 774, 344, 781, 291, 614, 952, 393, 158,
                          165, 519, 749, 478, 475, 459, 760, 331, 67, 114, 279,
                          103, 613, 953, 325, 921, 851, 66, 226, 759, 166, 754,
                          972, 199, 26, 673, 674, 546, 942, 835, 340, 151, 247,
                          1000, 588, 254, 513, 276, 413, 103, 248, 842, 323,
                          602, 67, 556, 285, 128, 274, 258, 212, 214, 374, 645,
                          211, 277, 170, 498, 206, 11, 766, 742, 101, 661, 815,
                          311, 293, 695, 168, 786, 813, 546, 313, 749, 506, 217,
                          925, 851, 835, 200, 36, 68, 342, 935, 989, 494, 897,
                          883, 24, 499, 408, 404, 93, 464, 321, 664, 1000, 607,
                          659, 380, 426, 755, 665, 292, 509, 115, 643, 377, 146,
                          896, 259, 597, 463, 83, 658, 867, 917, 242, 902, 26,
                          718, 141, 918, 694, 207, 589, 644, 152, 130, 439, 61,
                          249, 296, 186, 399, 128])
    
    def test_snail_012(self):
        self.assertEqual(snail([[743, 389, 404, 786, 6, 509, 887, 481, 858, 117,
                                 671, 344, 7, 855, 551, 838, 500, 736, 981,
                                 342],
                                [823, 940, 897, 877, 616, 425, 425, 300, 769,
                                 780, 755, 505, 48, 339, 987, 285, 118, 949,
                                 245, 644],
                                [68, 37, 515, 914, 885, 247, 552, 998, 53, 782,
                                 913, 34, 413, 744, 462, 794, 589, 405, 233,
                                 850],
                                [905, 208, 712, 995, 261, 154, 768, 118, 908,
                                 452, 706, 612, 584, 638, 480, 969, 345, 780,
                                 435, 898],
                                [714, 11, 654, 957, 564, 362, 231, 41, 721, 254,
                                 202, 137, 126, 174, 832, 661, 382, 654, 516,
                                 300],
                                [218, 667, 767, 610, 339, 531, 335, 234, 53,
                                 735, 742, 818, 233, 26, 634, 229, 316, 436,
                                 999, 348],
                                [943, 451, 142, 545, 186, 542, 934, 22, 287,
                                 166, 63, 495, 13, 433, 739, 270, 535, 305, 272,
                                 254],
                                [322, 892, 751, 856, 280, 706, 632, 796, 507,
                                 633, 52, 86, 116, 753, 489, 294, 869, 135, 565,
                                 102],
                                [691, 412, 615, 389, 973, 462, 624, 172, 170,
                                 56, 744, 558, 339, 871, 878, 495, 810, 454,
                                 349, 261],
                                [545, 378, 844, 494, 172, 465, 897, 608, 755,
                                 74, 367, 853, 407, 865, 168, 644, 477, 73, 166,
                                 822],
                                [428, 985, 729, 790, 40, 290, 549, 491, 160,
                                 429, 113, 379, 704, 432, 225, 713, 634, 879,
                                 837, 958],
                                [803, 796, 762, 778, 917, 794, 792, 752, 325,
                                 953, 986, 867, 35, 957, 623, 662, 916, 513,
                                 324, 185],
                                [190, 680, 689, 189, 78, 591, 532, 174, 927,
                                 376, 635, 12, 908, 253, 569, 267, 396, 112,
                                 180, 22],
                                [797, 925, 775, 831, 921, 87, 748, 141, 33, 45,
                                 194, 270, 661, 78, 968, 333, 132, 976, 788,
                                 137],
                                [854, 147, 902, 213, 365, 342, 962, 662, 491,
                                 86, 701, 493, 736, 705, 115, 472, 354, 815,
                                 240, 24],
                                [595, 473, 899, 866, 157, 973, 725, 107, 417,
                                 989, 205, 921, 98, 632, 234, 938, 112, 181,
                                 604, 707],
                                [889, 203, 968, 727, 409, 651, 695, 854, 423,
                                 968, 745, 680, 560, 935, 54, 862, 790, 343,
                                 884, 627],
                                [135, 694, 358, 75, 237, 924, 493, 758, 998,
                                 279, 80, 86, 174, 991, 585, 251, 99, 718, 611,
                                 462],
                                [109, 360, 882, 794, 631, 587, 73, 10, 696, 582,
                                 352, 797, 897, 58, 246, 277, 690, 511, 495,
                                 437],
                                [99, 898, 540, 657, 563, 267, 39, 556, 819, 738,
                                 888, 8, 140, 400, 619, 267, 859, 919, 301,
                                 265]]),
                         [743, 389, 404, 786, 6, 509, 887, 481, 858, 117, 671,
                          344, 7, 855, 551, 838, 500, 736, 981, 342, 644, 850,
                          898, 300, 348, 254, 102, 261, 822, 958, 185, 22, 137,
                          24, 707, 627, 462, 437, 265, 301, 919, 859, 267, 619,
                          400, 140, 8, 888, 738, 819, 556, 39, 267, 563, 657,
                          540, 898, 99, 109, 135, 889, 595, 854, 797, 190, 803,
                          428, 545, 691, 322, 943, 218, 714, 905, 68, 823, 940,
                          897, 877, 616, 425, 425, 300, 769, 780, 755, 505, 48,
                          339, 987, 285, 118, 949, 245, 233, 435, 516, 999, 272,
                          565, 349, 166, 837, 324, 180, 788, 240, 604, 884, 611,
                          495, 511, 690, 277, 246, 58, 897, 797, 352, 582, 696,
                          10, 73, 587, 631, 794, 882, 360, 694, 203, 473, 147,
                          925, 680, 796, 985, 378, 412, 892, 451, 667, 11, 208,
                          37, 515, 914, 885, 247, 552, 998, 53, 782, 913, 34,
                          413, 744, 462, 794, 589, 405, 780, 654, 436, 305, 135,
                          454, 73, 879, 513, 112, 976, 815, 181, 343, 718, 99,
                          251, 585, 991, 174, 86, 80, 279, 998, 758, 493, 924,
                          237, 75, 358, 968, 899, 902, 775, 689, 762, 729, 844,
                          615, 751, 142, 767, 654, 712, 995, 261, 154, 768, 118,
                          908, 452, 706, 612, 584, 638, 480, 969, 345, 382, 316,
                          535, 869, 810, 477, 634, 916, 396, 132, 354, 112, 790,
                          862, 54, 935, 560, 680, 745, 968, 423, 854, 695, 651,
                          409, 727, 866, 213, 831, 189, 778, 790, 494, 389, 856,
                          545, 610, 957, 564, 362, 231, 41, 721, 254, 202, 137,
                          126, 174, 832, 661, 229, 270, 294, 495, 644, 713, 662,
                          267, 333, 472, 938, 234, 632, 98, 921, 205, 989, 417,
                          107, 725, 973, 157, 365, 921, 78, 917, 40, 172, 973,
                          280, 186, 339, 531, 335, 234, 53, 735, 742, 818, 233,
                          26, 634, 739, 489, 878, 168, 225, 623, 569, 968, 115,
                          705, 736, 493, 701, 86, 491, 662, 962, 342, 87, 591,
                          794, 290, 465, 462, 706, 542, 934, 22, 287, 166, 63,
                          495, 13, 433, 753, 871, 865, 432, 957, 253, 78, 661,
                          270, 194, 45, 33, 141, 748, 532, 792, 549, 897, 624,
                          632, 796, 507, 633, 52, 86, 116, 339, 407, 704, 35,
                          908, 12, 635, 376, 927, 174, 752, 491, 608, 172, 170,
                          56, 744, 558, 853, 379, 867, 986, 953, 325, 160, 755,
                          74, 367, 113, 429])
    
    def test_snail_013(self):
        self.assertEqual(snail([[567]]), [567])
    
    def test_snail_014(self):
        self.assertEqual(snail(
                [[724, 455, 919, 922, 779, 711, 36, 791, 104, 490, 480],
                 [95, 252, 691, 12, 786, 563, 890, 446, 275, 899, 930],
                 [359, 844, 866, 827, 758, 81, 441, 768, 499, 983, 438],
                 [860, 385, 512, 34, 351, 822, 501, 130, 111, 249, 25],
                 [638, 30, 5, 102, 998, 888, 800, 651, 402, 40, 236],
                 [872, 21, 731, 902, 613, 442, 437, 581, 710, 453, 877],
                 [236, 661, 418, 662, 869, 936, 251, 302, 474, 578, 18],
                 [413, 451, 241, 737, 641, 677, 263, 617, 9, 172, 246],
                 [628, 390, 511, 786, 219, 833, 722, 419, 743, 695, 400],
                 [711, 986, 834, 181, 855, 780, 869, 238, 931, 993, 203],
                 [625, 896, 172, 269, 273, 722, 528, 434, 211, 278, 645]]),
                         [724, 455, 919, 922, 779, 711, 36, 791, 104, 490, 480,
                          930, 438, 25, 236, 877, 18, 246, 400, 203, 645, 278,
                          211, 434, 528, 722, 273, 269, 172, 896, 625, 711, 628,
                          413, 236, 872, 638, 860, 359, 95, 252, 691, 12, 786,
                          563, 890, 446, 275, 899, 983, 249, 40, 453, 578, 172,
                          695, 993, 931, 238, 869, 780, 855, 181, 834, 986, 390,
                          451, 661, 21, 30, 385, 844, 866, 827, 758, 81, 441,
                          768, 499, 111, 402, 710, 474, 9, 743, 419, 722, 833,
                          219, 786, 511, 241, 418, 731, 5, 512, 34, 351, 822,
                          501, 130, 651, 581, 302, 617, 263, 677, 641, 737, 662,
                          902, 102, 998, 888, 800, 437, 251, 936, 869, 613,
                          442])
    
    def test_snail_015(self):
        self.assertEqual(snail([[547, 471, 740, 487, 758, 466, 885, 554, 312,
                                 618, 76, 890, 416, 621, 45, 33, 14],
                                [935, 878, 428, 721, 79, 762, 116, 797, 676,
                                 755, 7, 142, 464, 861, 192, 943, 822],
                                [100, 325, 962, 434, 413, 313, 908, 842, 366,
                                 618, 803, 480, 391, 263, 122, 148, 582],
                                [281, 741, 182, 236, 351, 611, 588, 857, 354,
                                 837, 867, 258, 508, 882, 305, 396, 796],
                                [127, 795, 960, 196, 93, 41, 113, 949, 999, 880,
                                 215, 844, 86, 229, 436, 746, 224],
                                [709, 283, 219, 254, 913, 900, 537, 617, 80, 18,
                                 944, 372, 805, 981, 798, 380, 868],
                                [741, 7, 686, 690, 987, 382, 38, 560, 89, 889,
                                 243, 684, 951, 686, 795, 711, 304],
                                [309, 225, 691, 223, 245, 377, 786, 669, 126,
                                 835, 245, 62, 803, 234, 486, 580, 192],
                                [895, 172, 347, 645, 113, 700, 419, 573, 987,
                                 403, 527, 893, 348, 508, 530, 558, 477],
                                [307, 725, 128, 975, 498, 796, 359, 268, 204,
                                 165, 349, 942, 527, 73, 815, 372, 749],
                                [848, 950, 312, 560, 350, 943, 576, 873, 230, 4,
                                 807, 561, 944, 629, 422, 342, 678],
                                [275, 41, 349, 925, 579, 139, 836, 777, 256,
                                 422, 884, 587, 126, 836, 347, 692, 87],
                                [351, 100, 739, 316, 666, 372, 441, 858, 25,
                                 747, 474, 234, 943, 393, 530, 336, 185],
                                [784, 847, 392, 698, 866, 494, 370, 12, 221,
                                 689, 428, 491, 15, 677, 118, 496, 941],
                                [748, 782, 298, 359, 981, 334, 520, 809, 253,
                                 69, 70, 909, 7, 662, 574, 128, 125],
                                [570, 682, 863, 589, 421, 147, 262, 647, 749,
                                 76, 468, 740, 107, 277, 484, 905, 399],
                                [936, 382, 383, 764, 679, 634, 999, 371, 34,
                                 581, 336, 178, 137, 860, 269, 341, 166]]),
                         [547, 471, 740, 487, 758, 466, 885, 554, 312, 618, 76,
                          890, 416, 621, 45, 33, 14, 822, 582, 796, 224, 868,
                          304, 192, 477, 749, 678, 87, 185, 941, 125, 399, 166,
                          341, 269, 860, 137, 178, 336, 581, 34, 371, 999, 634,
                          679, 764, 383, 382, 936, 570, 748, 784, 351, 275, 848,
                          307, 895, 309, 741, 709, 127, 281, 100, 935, 878, 428,
                          721, 79, 762, 116, 797, 676, 755, 7, 142, 464, 861,
                          192, 943, 148, 396, 746, 380, 711, 580, 558, 372, 342,
                          692, 336, 496, 128, 905, 484, 277, 107, 740, 468, 76,
                          749, 647, 262, 147, 421, 589, 863, 682, 782, 847, 100,
                          41, 950, 725, 172, 225, 7, 283, 795, 741, 325, 962,
                          434, 413, 313, 908, 842, 366, 618, 803, 480, 391, 263,
                          122, 305, 436, 798, 795, 486, 530, 815, 422, 347, 530,
                          118, 574, 662, 7, 909, 70, 69, 253, 809, 520, 334,
                          981, 359, 298, 392, 739, 349, 312, 128, 347, 691, 686,
                          219, 960, 182, 236, 351, 611, 588, 857, 354, 837, 867,
                          258, 508, 882, 229, 981, 686, 234, 508, 73, 629, 836,
                          393, 677, 15, 491, 428, 689, 221, 12, 370, 494, 866,
                          698, 316, 925, 560, 975, 645, 223, 690, 254, 196, 93,
                          41, 113, 949, 999, 880, 215, 844, 86, 805, 951, 803,
                          348, 527, 944, 126, 943, 234, 474, 747, 25, 858, 441,
                          372, 666, 579, 350, 498, 113, 245, 987, 913, 900, 537,
                          617, 80, 18, 944, 372, 684, 62, 893, 942, 561, 587,
                          884, 422, 256, 777, 836, 139, 943, 796, 700, 377, 382,
                          38, 560, 89, 889, 243, 245, 527, 349, 807, 4, 230,
                          873, 576, 359, 419, 786, 669, 126, 835, 403, 165, 204,
                          268, 573, 987])
    
    def test_snail_016(self):
        self.assertEqual(snail([[665, 175], [31, 103]]), [665, 175, 103, 31])
    
    def test_snail_017(self):
        self.assertEqual(snail([[755]]), [755])
    
    def test_snail_018(self):
        self.assertEqual(snail([[126]]), [126])
    
    def test_snail_019(self):
        self.assertEqual(snail([[636, 479, 441, 159, 593, 904, 31, 21, 198],
                                [558, 377, 166, 504, 919, 20, 495, 71, 899],
                                [955, 466, 168, 459, 223, 535, 369, 881, 709],
                                [814, 54, 762, 941, 804, 810, 498, 583, 828],
                                [678, 489, 88, 976, 967, 218, 494, 1000, 550],
                                [501, 310, 668, 403, 558, 697, 247, 393, 990],
                                [346, 220, 92, 707, 460, 106, 187, 606, 447],
                                [589, 900, 867, 818, 647, 180, 878, 809, 191],
                                [278, 820, 427, 859, 985, 594, 218, 851, 286]]),
                         [636, 479, 441, 159, 593, 904, 31, 21, 198, 899, 709,
                          828, 550, 990, 447, 191, 286, 851, 218, 594, 985, 859,
                          427, 820, 278, 589, 346, 501, 678, 814, 955, 558, 377,
                          166, 504, 919, 20, 495, 71, 881, 583, 1000, 393, 606,
                          809, 878, 180, 647, 818, 867, 900, 220, 310, 489, 54,
                          466, 168, 459, 223, 535, 369, 498, 494, 247, 187, 106,
                          460, 707, 92, 668, 88, 762, 941, 804, 810, 218, 697,
                          558, 403, 976, 967])
    
    def test_snail_020(self):
        self.assertEqual(snail([[34, 174, 567, 523, 884, 681, 348, 879],
                                [860, 127, 97, 983, 245, 516, 214, 358],
                                [812, 405, 787, 630, 856, 384, 973, 803],
                                [452, 925, 253, 481, 678, 517, 246, 855],
                                [471, 121, 342, 671, 92, 770, 690, 538],
                                [706, 207, 63, 874, 366, 336, 848, 708],
                                [771, 637, 708, 977, 977, 3, 562, 324],
                                [453, 816, 461, 143, 874, 992, 346, 923]]),
                         [34, 174, 567, 523, 884, 681, 348, 879, 358, 803, 855,
                          538, 708, 324, 923, 346, 992, 874, 143, 461, 816, 453,
                          771, 706, 471, 452, 812, 860, 127, 97, 983, 245, 516,
                          214, 973, 246, 690, 848, 562, 3, 977, 977, 708, 637,
                          207, 121, 925, 405, 787, 630, 856, 384, 517, 770, 336,
                          366, 874, 63, 342, 253, 481, 678, 92, 671])
    
    def test_snail_021(self):
        self.assertEqual(snail([[950, 222, 988, 710, 321, 798, 51],
                                [640, 844, 782, 506, 155, 308, 384],
                                [703, 52, 197, 723, 690, 468, 962],
                                [326, 195, 134, 216, 302, 503, 212],
                                [718, 323, 17, 449, 601, 380, 396],
                                [985, 698, 502, 864, 257, 804, 942],
                                [888, 418, 187, 880, 152, 432, 651]]),
                         [950, 222, 988, 710, 321, 798, 51, 384, 962, 212, 396,
                          942, 651, 432, 152, 880, 187, 418, 888, 985, 718, 326,
                          703, 640, 844, 782, 506, 155, 308, 468, 503, 380, 804,
                          257, 864, 502, 698, 323, 195, 52, 197, 723, 690, 302,
                          601, 449, 17, 134, 216])
    
    def test_snail_022(self):
        self.assertEqual(snail([[188, 383, 11, 265, 829, 552, 184, 587, 149,
                                 839, 640, 638, 292, 990],
                                [523, 992, 378, 958, 526, 735, 753, 216, 781,
                                 183, 273, 433, 458, 900],
                                [645, 764, 450, 273, 769, 871, 125, 983, 864,
                                 318, 160, 300, 677, 990],
                                [245, 169, 676, 300, 81, 19, 481, 549, 922, 13,
                                 798, 37, 785, 831],
                                [202, 912, 399, 946, 877, 577, 211, 149, 515, 7,
                                 783, 194, 903, 458],
                                [241, 530, 605, 143, 110, 318, 450, 365, 300,
                                 901, 863, 973, 997, 46],
                                [217, 471, 358, 537, 270, 529, 512, 306, 402,
                                 11, 275, 228, 737, 751],
                                [231, 344, 693, 847, 723, 898, 87, 700, 558,
                                 116, 927, 425, 220, 505],
                                [119, 851, 664, 891, 32, 670, 224, 37, 428, 45,
                                 679, 170, 522, 181],
                                [506, 264, 274, 87, 567, 324, 203, 715, 628,
                                 288, 836, 353, 367, 458],
                                [377, 859, 308, 788, 792, 211, 738, 314, 972,
                                 557, 583, 789, 132, 271],
                                [483, 158, 749, 560, 743, 592, 710, 442, 650,
                                 896, 323, 221, 309, 299],
                                [858, 549, 118, 588, 674, 975, 799, 910, 465,
                                 453, 139, 448, 537, 680],
                                [713, 851, 964, 542, 64, 296, 923, 440, 225,
                                 479, 744, 119, 144, 399]]),
                         [188, 383, 11, 265, 829, 552, 184, 587, 149, 839, 640,
                          638, 292, 990, 900, 990, 831, 458, 46, 751, 505, 181,
                          458, 271, 299, 680, 399, 144, 119, 744, 479, 225, 440,
                          923, 296, 64, 542, 964, 851, 713, 858, 483, 377, 506,
                          119, 231, 217, 241, 202, 245, 645, 523, 992, 378, 958,
                          526, 735, 753, 216, 781, 183, 273, 433, 458, 677, 785,
                          903, 997, 737, 220, 522, 367, 132, 309, 537, 448, 139,
                          453, 465, 910, 799, 975, 674, 588, 118, 549, 158, 859,
                          264, 851, 344, 471, 530, 912, 169, 764, 450, 273, 769,
                          871, 125, 983, 864, 318, 160, 300, 37, 194, 973, 228,
                          425, 170, 353, 789, 221, 323, 896, 650, 442, 710, 592,
                          743, 560, 749, 308, 274, 664, 693, 358, 605, 399, 676,
                          300, 81, 19, 481, 549, 922, 13, 798, 783, 863, 275,
                          927, 679, 836, 583, 557, 972, 314, 738, 211, 792, 788,
                          87, 891, 847, 537, 143, 946, 877, 577, 211, 149, 515,
                          7, 901, 11, 116, 45, 288, 628, 715, 203, 324, 567, 32,
                          723, 270, 110, 318, 450, 365, 300, 402, 558, 428, 37,
                          224, 670, 898, 529, 512, 306, 700, 87])
    
    def test_snail_023(self):
        self.assertEqual(snail([[903, 852, 365, 142, 106, 848, 913, 461, 732,
                                 281, 800, 952, 711, 122],
                                [805, 299, 188, 853, 984, 79, 432, 280, 510,
                                 925, 155, 124, 736, 567],
                                [793, 219, 758, 522, 833, 232, 24, 494, 164,
                                 365, 205, 548, 145, 603],
                                [711, 113, 979, 976, 706, 457, 185, 895, 310,
                                 106, 142, 270, 209, 577],
                                [866, 160, 28, 737, 871, 900, 799, 516, 203,
                                 294, 45, 256, 242, 397],
                                [901, 606, 892, 620, 61, 398, 300, 14, 365, 616,
                                 230, 82, 352, 98],
                                [441, 320, 684, 572, 254, 331, 401, 375, 970,
                                 223, 65, 26, 167, 858],
                                [915, 104, 113, 774, 436, 832, 181, 939, 238,
                                 90, 67, 227, 426, 55],
                                [846, 135, 332, 105, 110, 301, 794, 431, 860,
                                 715, 201, 69, 744, 657],
                                [341, 691, 666, 61, 827, 814, 82, 276, 274, 888,
                                 738, 387, 429, 69],
                                [706, 204, 421, 382, 258, 466, 97, 189, 893,
                                 523, 910, 633, 510, 351],
                                [560, 109, 533, 541, 825, 571, 608, 542, 92,
                                 385, 694, 762, 465, 620],
                                [369, 509, 928, 286, 860, 142, 4, 926, 657, 697,
                                 743, 858, 430, 638],
                                [812, 243, 974, 854, 283, 573, 121, 48, 71, 536,
                                 561, 687, 375, 884]]),
                         [903, 852, 365, 142, 106, 848, 913, 461, 732, 281, 800,
                          952, 711, 122, 567, 603, 577, 397, 98, 858, 55, 657,
                          69, 351, 620, 638, 884, 375, 687, 561, 536, 71, 48,
                          121, 573, 283, 854, 974, 243, 812, 369, 560, 706, 341,
                          846, 915, 441, 901, 866, 711, 793, 805, 299, 188, 853,
                          984, 79, 432, 280, 510, 925, 155, 124, 736, 145, 209,
                          242, 352, 167, 426, 744, 429, 510, 465, 430, 858, 743,
                          697, 657, 926, 4, 142, 860, 286, 928, 509, 109, 204,
                          691, 135, 104, 320, 606, 160, 113, 219, 758, 522, 833,
                          232, 24, 494, 164, 365, 205, 548, 270, 256, 82, 26,
                          227, 69, 387, 633, 762, 694, 385, 92, 542, 608, 571,
                          825, 541, 533, 421, 666, 332, 113, 684, 892, 28, 979,
                          976, 706, 457, 185, 895, 310, 106, 142, 45, 230, 65,
                          67, 201, 738, 910, 523, 893, 189, 97, 466, 258, 382,
                          61, 105, 774, 572, 620, 737, 871, 900, 799, 516, 203,
                          294, 616, 223, 90, 715, 888, 274, 276, 82, 814, 827,
                          110, 436, 254, 61, 398, 300, 14, 365, 970, 238, 860,
                          431, 794, 301, 832, 331, 401, 375, 939, 181])
    
    def test_snail_024(self):
        self.assertEqual(snail([[733]]), [733])
    
    def test_snail_025(self):
        self.assertEqual(snail([[776, 298, 262, 318, 957, 178, 428, 566, 345,
                                 169, 434, 817, 494, 398, 648, 512, 314, 465],
                                [843, 563, 885, 994, 556, 571, 786, 143, 731,
                                 828, 992, 701, 211, 989, 361, 904, 168, 175],
                                [153, 906, 802, 413, 532, 445, 864, 275, 891,
                                 169, 899, 36, 278, 126, 691, 437, 199, 30],
                                [449, 454, 466, 728, 660, 493, 312, 492, 198,
                                 771, 359, 787, 302, 121, 292, 282, 739, 958],
                                [798, 332, 106, 365, 874, 905, 831, 462, 88,
                                 380, 443, 602, 925, 421, 564, 986, 446, 580],
                                [78, 187, 603, 551, 283, 789, 262, 542, 551,
                                 422, 581, 100, 108, 574, 249, 473, 606, 83],
                                [359, 14, 876, 400, 826, 868, 779, 67, 946, 568,
                                 826, 561, 582, 815, 72, 771, 851, 21],
                                [41, 860, 746, 556, 979, 831, 335, 126, 212,
                                 701, 18, 318, 725, 944, 65, 802, 182, 433],
                                [746, 66, 844, 140, 842, 49, 547, 451, 436, 434,
                                 72, 973, 2, 212, 311, 691, 546, 176],
                                [630, 510, 740, 7, 888, 439, 231, 788, 524, 270,
                                 126, 558, 969, 576, 166, 393, 856, 548],
                                [538, 867, 432, 194, 149, 678, 379, 801, 182,
                                 738, 209, 161, 950, 810, 869, 627, 395, 1000],
                                [523, 863, 18, 340, 416, 658, 734, 699, 538, 62,
                                 740, 808, 202, 69, 895, 785, 882, 368],
                                [997, 453, 658, 870, 438, 799, 870, 257, 681,
                                 887, 109, 40, 178, 475, 550, 283, 90, 167],
                                [243, 774, 470, 223, 518, 660, 730, 117, 885,
                                 377, 305, 744, 622, 484, 789, 498, 464, 837],
                                [753, 492, 372, 529, 47, 461, 160, 259, 282,
                                 983, 73, 192, 366, 101, 307, 257, 89, 968],
                                [135, 25, 644, 83, 479, 794, 845, 60, 310, 821,
                                 239, 247, 713, 343, 405, 407, 308, 63],
                                [297, 590, 149, 649, 317, 843, 23, 652, 69, 819,
                                 886, 381, 411, 781, 477, 672, 822, 185],
                                [642, 274, 676, 957, 888, 269, 954, 78, 8, 944,
                                 730, 846, 83, 218, 865, 327, 705, 629]]),
                         [776, 298, 262, 318, 957, 178, 428, 566, 345, 169, 434,
                          817, 494, 398, 648, 512, 314, 465, 175, 30, 958, 580,
                          83, 21, 433, 176, 548, 1000, 368, 167, 837, 968, 63,
                          185, 629, 705, 327, 865, 218, 83, 846, 730, 944, 8,
                          78, 954, 269, 888, 957, 676, 274, 642, 297, 135, 753,
                          243, 997, 523, 538, 630, 746, 41, 359, 78, 798, 449,
                          153, 843, 563, 885, 994, 556, 571, 786, 143, 731, 828,
                          992, 701, 211, 989, 361, 904, 168, 199, 739, 446, 606,
                          851, 182, 546, 856, 395, 882, 90, 464, 89, 308, 822,
                          672, 477, 781, 411, 381, 886, 819, 69, 652, 23, 843,
                          317, 649, 149, 590, 25, 492, 774, 453, 863, 867, 510,
                          66, 860, 14, 187, 332, 454, 906, 802, 413, 532, 445,
                          864, 275, 891, 169, 899, 36, 278, 126, 691, 437, 282,
                          986, 473, 771, 802, 691, 393, 627, 785, 283, 498, 257,
                          407, 405, 343, 713, 247, 239, 821, 310, 60, 845, 794,
                          479, 83, 644, 372, 470, 658, 18, 432, 740, 844, 746,
                          876, 603, 106, 466, 728, 660, 493, 312, 492, 198, 771,
                          359, 787, 302, 121, 292, 564, 249, 72, 65, 311, 166,
                          869, 895, 550, 789, 307, 101, 366, 192, 73, 983, 282,
                          259, 160, 461, 47, 529, 223, 870, 340, 194, 7, 140,
                          556, 400, 551, 365, 874, 905, 831, 462, 88, 380, 443,
                          602, 925, 421, 574, 815, 944, 212, 576, 810, 69, 475,
                          484, 622, 744, 305, 377, 885, 117, 730, 660, 518, 438,
                          416, 149, 888, 842, 979, 826, 283, 789, 262, 542, 551,
                          422, 581, 100, 108, 582, 725, 2, 969, 950, 202, 178,
                          40, 109, 887, 681, 257, 870, 799, 658, 678, 439, 49,
                          831, 868, 779, 67, 946, 568, 826, 561, 318, 973, 558,
                          161, 808, 740, 62, 538, 699, 734, 379, 231, 547, 335,
                          126, 212, 701, 18, 72, 126, 209, 738, 182, 801, 788,
                          451, 436, 434, 270, 524])
    
    def test_snail_026(self):
        self.assertEqual(snail(
                [[348, 421, 186, 172, 681, 428, 955, 583, 1000, 631, 543],
                 [751, 963, 968, 739, 248, 380, 307, 61, 874, 248, 908],
                 [803, 186, 336, 83, 196, 775, 898, 148, 43, 24, 993],
                 [274, 904, 695, 140, 582, 766, 810, 824, 717, 591, 136],
                 [632, 95, 397, 516, 457, 937, 220, 150, 971, 391, 283],
                 [157, 543, 946, 629, 703, 392, 816, 292, 935, 107, 289],
                 [794, 824, 923, 134, 486, 165, 956, 714, 775, 265, 654],
                 [261, 551, 238, 976, 460, 921, 501, 439, 811, 202, 916],
                 [817, 671, 357, 391, 181, 639, 191, 534, 945, 204, 249],
                 [761, 208, 763, 142, 330, 832, 998, 706, 301, 117, 615],
                 [977, 386, 105, 274, 166, 993, 248, 316, 340, 378, 886]]),
                         [348, 421, 186, 172, 681, 428, 955, 583, 1000, 631,
                          543, 908, 993, 136, 283, 289, 654, 916, 249, 615, 886,
                          378, 340, 316, 248, 993, 166, 274, 105, 386, 977, 761,
                          817, 261, 794, 157, 632, 274, 803, 751, 963, 968, 739,
                          248, 380, 307, 61, 874, 248, 24, 591, 391, 107, 265,
                          202, 204, 117, 301, 706, 998, 832, 330, 142, 763, 208,
                          671, 551, 824, 543, 95, 904, 186, 336, 83, 196, 775,
                          898, 148, 43, 717, 971, 935, 775, 811, 945, 534, 191,
                          639, 181, 391, 357, 238, 923, 946, 397, 695, 140, 582,
                          766, 810, 824, 150, 292, 714, 439, 501, 921, 460, 976,
                          134, 629, 516, 457, 937, 220, 816, 956, 165, 486, 703,
                          392])
    
    def test_snail_027(self):
        self.assertEqual(snail([[279, 149, 635, 162, 437, 751, 73, 382, 918,
                                 994, 660, 832, 818, 312, 381, 306, 375, 87,
                                 245],
                                [54, 599, 406, 599, 951, 888, 231, 723, 287,
                                 692, 617, 275, 719, 445, 361, 954, 583, 951,
                                 162],
                                [966, 522, 282, 502, 739, 889, 323, 635, 486,
                                 477, 231, 502, 471, 524, 566, 189, 91, 694,
                                 768],
                                [164, 463, 961, 850, 665, 898, 53, 331, 507, 69,
                                 164, 99, 435, 418, 104, 868, 998, 186, 161],
                                [138, 179, 498, 106, 803, 338, 361, 631, 370,
                                 805, 156, 583, 102, 486, 989, 468, 772, 491,
                                 656],
                                [450, 129, 723, 662, 665, 9, 227, 23, 222, 199,
                                 111, 556, 897, 4, 81, 665, 108, 906, 457],
                                [442, 235, 249, 838, 26, 861, 927, 55, 260, 9,
                                 140, 495, 478, 544, 693, 849, 727, 448, 421],
                                [812, 736, 968, 113, 205, 680, 936, 699, 733,
                                 830, 760, 301, 891, 701, 530, 34, 234, 764,
                                 136],
                                [191, 591, 992, 189, 987, 162, 784, 566, 788,
                                 983, 584, 919, 410, 408, 225, 778, 200, 854,
                                 852],
                                [424, 5, 610, 711, 796, 952, 899, 192, 643, 399,
                                 953, 720, 406, 324, 706, 943, 139, 87, 668],
                                [412, 431, 428, 777, 880, 971, 931, 966, 281,
                                 510, 63, 1000, 115, 833, 746, 390, 333, 636,
                                 671],
                                [249, 695, 992, 731, 15, 843, 567, 332, 762,
                                 942, 804, 601, 83, 738, 165, 517, 258, 171,
                                 227],
                                [976, 808, 967, 898, 78, 231, 563, 182, 696,
                                 611, 421, 809, 6, 954, 656, 338, 422, 777,
                                 172],
                                [839, 795, 83, 698, 557, 584, 452, 382, 89, 858,
                                 886, 514, 671, 669, 827, 78, 160, 694, 784],
                                [1000, 249, 558, 794, 891, 668, 564, 399, 18,
                                 452, 938, 516, 359, 2, 140, 31, 16, 876, 532],
                                [706, 99, 684, 613, 93, 504, 584, 599, 513, 638,
                                 645, 334, 448, 148, 802, 805, 255, 759, 176],
                                [262, 671, 68, 389, 36, 561, 104, 285, 968, 896,
                                 20, 912, 215, 161, 564, 476, 828, 815, 331],
                                [74, 29, 857, 758, 382, 578, 150, 745, 684, 558,
                                 384, 439, 118, 599, 779, 378, 816, 996, 206],
                                [83, 545, 645, 856, 457, 736, 454, 105, 282,
                                 587, 180, 436, 188, 477, 503, 377, 696, 918,
                                 592]]),
                         [279, 149, 635, 162, 437, 751, 73, 382, 918, 994, 660,
                          832, 818, 312, 381, 306, 375, 87, 245, 162, 768, 161,
                          656, 457, 421, 136, 852, 668, 671, 227, 172, 784, 532,
                          176, 331, 206, 592, 918, 696, 377, 503, 477, 188, 436,
                          180, 587, 282, 105, 454, 736, 457, 856, 645, 545, 83,
                          74, 262, 706, 1000, 839, 976, 249, 412, 424, 191, 812,
                          442, 450, 138, 164, 966, 54, 599, 406, 599, 951, 888,
                          231, 723, 287, 692, 617, 275, 719, 445, 361, 954, 583,
                          951, 694, 186, 491, 906, 448, 764, 854, 87, 636, 171,
                          777, 694, 876, 759, 815, 996, 816, 378, 779, 599, 118,
                          439, 384, 558, 684, 745, 150, 578, 382, 758, 857, 29,
                          671, 99, 249, 795, 808, 695, 431, 5, 591, 736, 235,
                          129, 179, 463, 522, 282, 502, 739, 889, 323, 635, 486,
                          477, 231, 502, 471, 524, 566, 189, 91, 998, 772, 108,
                          727, 234, 200, 139, 333, 258, 422, 160, 16, 255, 828,
                          476, 564, 161, 215, 912, 20, 896, 968, 285, 104, 561,
                          36, 389, 68, 684, 558, 83, 967, 992, 428, 610, 992,
                          968, 249, 723, 498, 961, 850, 665, 898, 53, 331, 507,
                          69, 164, 99, 435, 418, 104, 868, 468, 665, 849, 34,
                          778, 943, 390, 517, 338, 78, 31, 805, 802, 148, 448,
                          334, 645, 638, 513, 599, 584, 504, 93, 613, 794, 698,
                          898, 731, 777, 711, 189, 113, 838, 662, 106, 803, 338,
                          361, 631, 370, 805, 156, 583, 102, 486, 989, 81, 693,
                          530, 225, 706, 746, 165, 656, 827, 140, 2, 359, 516,
                          938, 452, 18, 399, 564, 668, 891, 557, 78, 15, 880,
                          796, 987, 205, 26, 665, 9, 227, 23, 222, 199, 111,
                          556, 897, 4, 544, 701, 408, 324, 833, 738, 954, 669,
                          671, 514, 886, 858, 89, 382, 452, 584, 231, 843, 971,
                          952, 162, 680, 861, 927, 55, 260, 9, 140, 495, 478,
                          891, 410, 406, 115, 83, 6, 809, 421, 611, 696, 182,
                          563, 567, 931, 899, 784, 936, 699, 733, 830, 760, 301,
                          919, 720, 1000, 601, 804, 942, 762, 332, 966, 192,
                          566, 788, 983, 584, 953, 63, 510, 281, 643, 399])
    
    def test_snail_028(self):
        self.assertEqual(snail([[694, 584, 826, 873, 217, 367, 668, 234, 472,
                                 306, 498, 94, 613, 797],
                                [712, 162, 246, 54, 330, 345, 797, 656, 949,
                                 377, 907, 79, 246, 655],
                                [393, 162, 490, 233, 843, 794, 437, 391, 266,
                                 639, 553, 518, 364, 569],
                                [844, 274, 883, 549, 545, 431, 169, 974, 129,
                                 186, 605, 391, 354, 562],
                                [439, 363, 626, 800, 507, 849, 391, 701, 310,
                                 374, 946, 329, 720, 188],
                                [110, 517, 124, 454, 546, 362, 238, 717, 444,
                                 560, 620, 885, 732, 631],
                                [849, 531, 960, 464, 448, 802, 101, 755, 69,
                                 843, 256, 543, 728, 839],
                                [538, 525, 681, 672, 849, 637, 688, 939, 393,
                                 184, 675, 434, 361, 557],
                                [483, 832, 588, 542, 124, 605, 146, 492, 359,
                                 465, 278, 352, 815, 884],
                                [837, 448, 77, 252, 291, 313, 816, 79, 919, 188,
                                 845, 26, 918, 190],
                                [994, 349, 148, 613, 557, 269, 695, 471, 944,
                                 90, 2, 167, 136, 926],
                                [596, 304, 727, 835, 858, 635, 727, 136, 179,
                                 266, 171, 679, 985, 945],
                                [152, 294, 615, 139, 465, 165, 578, 914, 232,
                                 953, 268, 143, 847, 663],
                                [355, 96, 458, 217, 834, 690, 302, 691, 470,
                                 344, 567, 66, 479, 144]]),
                         [694, 584, 826, 873, 217, 367, 668, 234, 472, 306, 498,
                          94, 613, 797, 655, 569, 562, 188, 631, 839, 557, 884,
                          190, 926, 945, 663, 144, 479, 66, 567, 344, 470, 691,
                          302, 690, 834, 217, 458, 96, 355, 152, 596, 994, 837,
                          483, 538, 849, 110, 439, 844, 393, 712, 162, 246, 54,
                          330, 345, 797, 656, 949, 377, 907, 79, 246, 364, 354,
                          720, 732, 728, 361, 815, 918, 136, 985, 847, 143, 268,
                          953, 232, 914, 578, 165, 465, 139, 615, 294, 304, 349,
                          448, 832, 525, 531, 517, 363, 274, 162, 490, 233, 843,
                          794, 437, 391, 266, 639, 553, 518, 391, 329, 885, 543,
                          434, 352, 26, 167, 679, 171, 266, 179, 136, 727, 635,
                          858, 835, 727, 148, 77, 588, 681, 960, 124, 626, 883,
                          549, 545, 431, 169, 974, 129, 186, 605, 946, 620, 256,
                          675, 278, 845, 2, 90, 944, 471, 695, 269, 557, 613,
                          252, 542, 672, 464, 454, 800, 507, 849, 391, 701, 310,
                          374, 560, 843, 184, 465, 188, 919, 79, 816, 313, 291,
                          124, 849, 448, 546, 362, 238, 717, 444, 69, 393, 359,
                          492, 146, 605, 637, 802, 101, 755, 939, 688])
    
    def test_snail_029(self):
        self.assertEqual(snail([[823, 448, 897, 244, 584, 461, 96],
                                [645, 751, 213, 852, 812, 16, 617],
                                [341, 284, 208, 458, 28, 238, 767],
                                [773, 348, 159, 197, 957, 501, 818],
                                [932, 118, 964, 418, 423, 847, 430],
                                [545, 667, 931, 75, 818, 645, 45],
                                [923, 151, 732, 63, 520, 681, 627]]),
                         [823, 448, 897, 244, 584, 461, 96, 617, 767, 818, 430,
                          45, 627, 681, 520, 63, 732, 151, 923, 545, 932, 773,
                          341, 645, 751, 213, 852, 812, 16, 238, 501, 847, 645,
                          818, 75, 931, 667, 118, 348, 284, 208, 458, 28, 957,
                          423, 418, 964, 159, 197])
    
    def test_snail_030(self):
        self.assertEqual(snail([[491, 432, 751, 729, 722, 964, 386, 710, 130,
                                 369, 227, 487, 395, 914, 468, 885, 81, 569,
                                 868, 900],
                                [925, 992, 601, 188, 204, 640, 239, 6, 26, 451,
                                 26, 630, 429, 830, 38, 905, 555, 630, 296,
                                 840],
                                [401, 86, 682, 405, 960, 499, 290, 765, 513,
                                 376, 331, 78, 471, 999, 3, 328, 896, 758, 56,
                                 75],
                                [542, 905, 880, 788, 546, 879, 658, 836, 787,
                                 912, 968, 988, 98, 461, 973, 469, 371, 178,
                                 984, 431],
                                [584, 627, 404, 160, 875, 721, 409, 163, 30,
                                 127, 499, 300, 869, 690, 69, 260, 751, 151,
                                 288, 319],
                                [748, 508, 826, 682, 70, 215, 89, 186, 418, 386,
                                 474, 42, 389, 599, 872, 534, 181, 496, 186,
                                 21],
                                [546, 745, 446, 346, 449, 807, 863, 996, 605,
                                 427, 845, 182, 932, 282, 544, 650, 123, 188,
                                 505, 745],
                                [107, 963, 507, 886, 162, 321, 597, 90, 576,
                                 101, 818, 394, 542, 276, 578, 417, 797, 89,
                                 366, 771],
                                [904, 230, 474, 400, 921, 749, 277, 826, 638,
                                 294, 520, 617, 405, 983, 437, 87, 940, 492,
                                 561, 407],
                                [877, 195, 809, 714, 64, 362, 585, 4, 995, 949,
                                 383, 172, 55, 468, 637, 229, 746, 208, 91,
                                 708],
                                [663, 758, 330, 359, 996, 67, 409, 169, 660,
                                 688, 11, 50, 191, 88, 802, 834, 559, 139, 490,
                                 412],
                                [310, 464, 204, 408, 801, 352, 18, 167, 815,
                                 753, 758, 833, 85, 731, 253, 655, 290, 493,
                                 356, 396],
                                [424, 931, 222, 6, 67, 347, 450, 528, 353, 444,
                                 283, 971, 925, 76, 208, 101, 989, 64, 209,
                                 875],
                                [903, 651, 952, 356, 647, 99, 895, 868, 203,
                                 620, 147, 200, 657, 839, 745, 260, 916, 552,
                                 896, 209],
                                [721, 17, 825, 638, 691, 971, 95, 844, 75, 203,
                                 692, 210, 618, 113, 518, 82, 493, 463, 647,
                                 122],
                                [335, 97, 438, 636, 568, 329, 681, 998, 316,
                                 679, 597, 547, 505, 283, 748, 299, 800, 828,
                                 521, 139],
                                [209, 110, 325, 990, 706, 379, 897, 133, 457,
                                 573, 653, 863, 452, 819, 801, 756, 590, 925,
                                 583, 731],
                                [816, 946, 134, 587, 645, 751, 780, 140, 731,
                                 208, 504, 939, 401, 724, 140, 1000, 575, 15,
                                 966, 719],
                                [929, 121, 255, 511, 401, 94, 7, 656, 871, 52,
                                 589, 504, 456, 524, 492, 4, 513, 673, 536,
                                 877],
                                [828, 402, 44, 162, 805, 675, 391, 875, 955,
                                 410, 385, 625, 250, 837, 153, 922, 105, 279,
                                 91, 121]]),
                         [491, 432, 751, 729, 722, 964, 386, 710, 130, 369, 227,
                          487, 395, 914, 468, 885, 81, 569, 868, 900, 840, 75,
                          431, 319, 21, 745, 771, 407, 708, 412, 396, 875, 209,
                          122, 139, 731, 719, 877, 121, 91, 279, 105, 922, 153,
                          837, 250, 625, 385, 410, 955, 875, 391, 675, 805, 162,
                          44, 402, 828, 929, 816, 209, 335, 721, 903, 424, 310,
                          663, 877, 904, 107, 546, 748, 584, 542, 401, 925, 992,
                          601, 188, 204, 640, 239, 6, 26, 451, 26, 630, 429,
                          830, 38, 905, 555, 630, 296, 56, 984, 288, 186, 505,
                          366, 561, 91, 490, 356, 209, 896, 647, 521, 583, 966,
                          536, 673, 513, 4, 492, 524, 456, 504, 589, 52, 871,
                          656, 7, 94, 401, 511, 255, 121, 946, 110, 97, 17, 651,
                          931, 464, 758, 195, 230, 963, 745, 508, 627, 905, 86,
                          682, 405, 960, 499, 290, 765, 513, 376, 331, 78, 471,
                          999, 3, 328, 896, 758, 178, 151, 496, 188, 89, 492,
                          208, 139, 493, 64, 552, 463, 828, 925, 15, 575, 1000,
                          140, 724, 401, 939, 504, 208, 731, 140, 780, 751, 645,
                          587, 134, 325, 438, 825, 952, 222, 204, 330, 809, 474,
                          507, 446, 826, 404, 880, 788, 546, 879, 658, 836, 787,
                          912, 968, 988, 98, 461, 973, 469, 371, 751, 181, 123,
                          797, 940, 746, 559, 290, 989, 916, 493, 800, 590, 756,
                          801, 819, 452, 863, 653, 573, 457, 133, 897, 379, 706,
                          990, 636, 638, 356, 6, 408, 359, 714, 400, 886, 346,
                          682, 160, 875, 721, 409, 163, 30, 127, 499, 300, 869,
                          690, 69, 260, 534, 650, 417, 87, 229, 834, 655, 101,
                          260, 82, 299, 748, 283, 505, 547, 597, 679, 316, 998,
                          681, 329, 568, 691, 647, 67, 801, 996, 64, 921, 162,
                          449, 70, 215, 89, 186, 418, 386, 474, 42, 389, 599,
                          872, 544, 578, 437, 637, 802, 253, 208, 745, 518, 113,
                          618, 210, 692, 203, 75, 844, 95, 971, 99, 347, 352,
                          67, 362, 749, 321, 807, 863, 996, 605, 427, 845, 182,
                          932, 282, 276, 983, 468, 88, 731, 76, 839, 657, 200,
                          147, 620, 203, 868, 895, 450, 18, 409, 585, 277, 597,
                          90, 576, 101, 818, 394, 542, 405, 55, 191, 85, 925,
                          971, 283, 444, 353, 528, 167, 169, 4, 826, 638, 294,
                          520, 617, 172, 50, 833, 758, 753, 815, 660, 995, 949,
                          383, 11, 688])
    
    def test_snail_031(self):
        self.assertEqual(snail(
                [[751, 521, 950, 82], [455, 888, 335, 526], [105, 724, 129, 53],
                 [380, 655, 725, 828]]),
                         [751, 521, 950, 82, 526, 53, 828, 725, 655, 380, 105,
                          455, 888, 335, 129, 724])
    
    def test_snail_032(self):
        self.assertEqual(snail([[543]]), [543])
    
    def test_snail_033(self):
        self.assertEqual(snail([[229, 998, 713, 612, 345, 412, 73, 287, 921, 44,
                                 509, 147, 815, 84],
                                [202, 726, 739, 170, 976, 345, 944, 506, 848,
                                 942, 98, 297, 75, 807],
                                [893, 82, 958, 458, 916, 954, 418, 436, 492, 86,
                                 792, 226, 925, 268],
                                [370, 388, 588, 171, 945, 358, 281, 657, 577,
                                 147, 44, 352, 899, 119],
                                [63, 834, 521, 924, 276, 174, 483, 414, 999,
                                 932, 97, 492, 833, 363],
                                [983, 187, 828, 23, 387, 853, 203, 130, 187,
                                 820, 569, 974, 494, 870],
                                [265, 162, 207, 733, 32, 925, 259, 761, 166,
                                 231, 504, 503, 64, 851],
                                [434, 330, 43, 791, 846, 790, 566, 474, 702,
                                 462, 693, 826, 682, 881],
                                [752, 68, 291, 180, 294, 674, 433, 486, 768,
                                 743, 498, 98, 61, 154],
                                [52, 47, 323, 362, 247, 135, 716, 566, 713, 977,
                                 78, 222, 300, 909],
                                [265, 17, 534, 221, 142, 430, 935, 948, 600, 79,
                                 898, 229, 949, 656],
                                [850, 639, 989, 941, 84, 62, 850, 437, 25, 538,
                                 670, 868, 406, 755],
                                [370, 978, 377, 131, 102, 929, 459, 201, 14,
                                 981, 461, 153, 665, 352],
                                [374, 581, 593, 665, 922, 259, 899, 586, 405,
                                 812, 645, 820, 321, 535]]),
                         [229, 998, 713, 612, 345, 412, 73, 287, 921, 44, 509,
                          147, 815, 84, 807, 268, 119, 363, 870, 851, 881, 154,
                          909, 656, 755, 352, 535, 321, 820, 645, 812, 405, 586,
                          899, 259, 922, 665, 593, 581, 374, 370, 850, 265, 52,
                          752, 434, 265, 983, 63, 370, 893, 202, 726, 739, 170,
                          976, 345, 944, 506, 848, 942, 98, 297, 75, 925, 899,
                          833, 494, 64, 682, 61, 300, 949, 406, 665, 153, 461,
                          981, 14, 201, 459, 929, 102, 131, 377, 978, 639, 17,
                          47, 68, 330, 162, 187, 834, 388, 82, 958, 458, 916,
                          954, 418, 436, 492, 86, 792, 226, 352, 492, 974, 503,
                          826, 98, 222, 229, 868, 670, 538, 25, 437, 850, 62,
                          84, 941, 989, 534, 323, 291, 43, 207, 828, 521, 588,
                          171, 945, 358, 281, 657, 577, 147, 44, 97, 569, 504,
                          693, 498, 78, 898, 79, 600, 948, 935, 430, 142, 221,
                          362, 180, 791, 733, 23, 924, 276, 174, 483, 414, 999,
                          932, 820, 231, 462, 743, 977, 713, 566, 716, 135, 247,
                          294, 846, 32, 387, 853, 203, 130, 187, 166, 702, 768,
                          486, 433, 674, 790, 925, 259, 761, 474, 566])
    
    def test_snail_034(self):
        self.assertEqual(snail([[543, 159, 630, 512, 408, 22, 659, 938, 716,
                                 955, 142, 6, 273, 723],
                                [899, 659, 592, 655, 57, 191, 321, 795, 226,
                                 317, 372, 190, 368, 804],
                                [214, 369, 514, 853, 25, 423, 744, 462, 181,
                                 663, 863, 747, 152, 353],
                                [117, 9, 923, 420, 253, 550, 729, 881, 696, 208,
                                 269, 362, 242, 177],
                                [625, 547, 37, 512, 130, 542, 853, 646, 551,
                                 801, 257, 306, 206, 361],
                                [271, 719, 731, 679, 306, 529, 531, 846, 891,
                                 420, 871, 537, 514, 117],
                                [350, 890, 866, 614, 496, 485, 88, 13, 488, 842,
                                 197, 891, 854, 554],
                                [278, 713, 485, 671, 556, 687, 246, 19, 293,
                                 906, 1000, 375, 531, 126],
                                [641, 531, 586, 598, 991, 366, 229, 169, 644,
                                 562, 847, 724, 546, 904],
                                [859, 329, 116, 455, 986, 255, 334, 156, 188,
                                 438, 112, 409, 283, 653],
                                [844, 612, 215, 684, 518, 422, 922, 741, 33,
                                 196, 272, 51, 604, 951],
                                [457, 68, 327, 589, 617, 942, 5, 200, 722, 725,
                                 971, 886, 972, 961],
                                [817, 172, 829, 438, 738, 639, 453, 565, 270,
                                 683, 405, 829, 664, 749],
                                [347, 518, 664, 43, 591, 52, 685, 427, 716, 578,
                                 854, 88, 673, 458]]),
                         [543, 159, 630, 512, 408, 22, 659, 938, 716, 955, 142,
                          6, 273, 723, 804, 353, 177, 361, 117, 554, 126, 904,
                          653, 951, 961, 749, 458, 673, 88, 854, 578, 716, 427,
                          685, 52, 591, 43, 664, 518, 347, 817, 457, 844, 859,
                          641, 278, 350, 271, 625, 117, 214, 899, 659, 592, 655,
                          57, 191, 321, 795, 226, 317, 372, 190, 368, 152, 242,
                          206, 514, 854, 531, 546, 283, 604, 972, 664, 829, 405,
                          683, 270, 565, 453, 639, 738, 438, 829, 172, 68, 612,
                          329, 531, 713, 890, 719, 547, 9, 369, 514, 853, 25,
                          423, 744, 462, 181, 663, 863, 747, 362, 306, 537, 891,
                          375, 724, 409, 51, 886, 971, 725, 722, 200, 5, 942,
                          617, 589, 327, 215, 116, 586, 485, 866, 731, 37, 923,
                          420, 253, 550, 729, 881, 696, 208, 269, 257, 871, 197,
                          1000, 847, 112, 272, 196, 33, 741, 922, 422, 518, 684,
                          455, 598, 671, 614, 679, 512, 130, 542, 853, 646, 551,
                          801, 420, 842, 906, 562, 438, 188, 156, 334, 255, 986,
                          991, 556, 496, 306, 529, 531, 846, 891, 488, 293, 644,
                          169, 229, 366, 687, 485, 88, 13, 19, 246])
    
    def test_snail_035(self):
        self.assertEqual(snail(
                [[805, 737, 255, 944, 227, 940, 373, 877, 581, 787, 278, 332],
                 [64, 412, 532, 342, 955, 252, 339, 890, 26, 793, 124, 394],
                 [814, 764, 949, 785, 415, 832, 711, 188, 65, 623, 255, 469],
                 [110, 743, 29, 583, 871, 275, 878, 329, 107, 698, 107, 523],
                 [212, 73, 731, 628, 188, 215, 22, 479, 650, 523, 1000, 926],
                 [383, 241, 377, 580, 798, 363, 103, 802, 427, 943, 877, 919],
                 [387, 291, 796, 951, 13, 601, 617, 451, 340, 203, 336, 42],
                 [412, 654, 456, 885, 799, 937, 971, 608, 17, 481, 383, 748],
                 [39, 178, 45, 684, 995, 672, 707, 397, 999, 98, 373, 396],
                 [62, 984, 818, 343, 914, 165, 470, 510, 86, 545, 993, 448],
                 [105, 178, 404, 878, 906, 445, 706, 798, 613, 433, 492, 518],
                 [744, 254, 817, 85, 813, 574, 193, 588, 505, 162, 819, 636]]),
                         [805, 737, 255, 944, 227, 940, 373, 877, 581, 787, 278,
                          332, 394, 469, 523, 926, 919, 42, 748, 396, 448, 518,
                          636, 819, 162, 505, 588, 193, 574, 813, 85, 817, 254,
                          744, 105, 62, 39, 412, 387, 383, 212, 110, 814, 64,
                          412, 532, 342, 955, 252, 339, 890, 26, 793, 124, 255,
                          107, 1000, 877, 336, 383, 373, 993, 492, 433, 613,
                          798, 706, 445, 906, 878, 404, 178, 984, 178, 654, 291,
                          241, 73, 743, 764, 949, 785, 415, 832, 711, 188, 65,
                          623, 698, 523, 943, 203, 481, 98, 545, 86, 510, 470,
                          165, 914, 343, 818, 45, 456, 796, 377, 731, 29, 583,
                          871, 275, 878, 329, 107, 650, 427, 340, 17, 999, 397,
                          707, 672, 995, 684, 885, 951, 580, 628, 188, 215, 22,
                          479, 802, 451, 608, 971, 937, 799, 13, 798, 363, 103,
                          617, 601])
    
    def test_snail_036(self):
        self.assertEqual(snail(
                [[997, 44, 256, 241, 586, 435, 204, 852, 283, 678],
                 [536, 493, 608, 713, 378, 476, 645, 242, 657, 560],
                 [609, 310, 407, 973, 835, 59, 771, 982, 985, 55],
                 [948, 389, 927, 772, 391, 672, 254, 120, 915, 655],
                 [993, 544, 661, 167, 875, 343, 129, 64, 471, 611],
                 [186, 216, 598, 814, 94, 694, 135, 7, 374, 60],
                 [487, 528, 461, 860, 913, 283, 276, 354, 679, 778],
                 [636, 627, 996, 319, 813, 600, 548, 491, 948, 178],
                 [995, 381, 855, 47, 403, 250, 912, 709, 322, 993],
                 [604, 150, 814, 285, 749, 84, 752, 680, 900, 222]]),
                         [997, 44, 256, 241, 586, 435, 204, 852, 283, 678, 560,
                          55, 655, 611, 60, 778, 178, 993, 222, 900, 680, 752,
                          84, 749, 285, 814, 150, 604, 995, 636, 487, 186, 993,
                          948, 609, 536, 493, 608, 713, 378, 476, 645, 242, 657,
                          985, 915, 471, 374, 679, 948, 322, 709, 912, 250, 403,
                          47, 855, 381, 627, 528, 216, 544, 389, 310, 407, 973,
                          835, 59, 771, 982, 120, 64, 7, 354, 491, 548, 600,
                          813, 319, 996, 461, 598, 661, 927, 772, 391, 672, 254,
                          129, 135, 276, 283, 913, 860, 814, 167, 875, 343, 694,
                          94])
    
    def test_snail_037(self):
        self.assertEqual(snail([[924, 474, 327, 244, 69, 575, 52, 587, 477, 521,
                                 871, 701, 236],
                                [521, 643, 870, 149, 368, 896, 185, 164, 142,
                                 419, 686, 209, 67],
                                [161, 18, 876, 414, 245, 830, 900, 985, 627,
                                 760, 366, 872, 85],
                                [885, 784, 859, 378, 232, 55, 455, 716, 558, 68,
                                 430, 331, 35],
                                [859, 82, 149, 721, 581, 743, 272, 68, 600, 363,
                                 433, 350, 62],
                                [435, 913, 330, 343, 219, 649, 84, 442, 282,
                                 315, 368, 567, 33],
                                [756, 543, 726, 158, 116, 526, 43, 351, 731,
                                 966, 190, 494, 396],
                                [991, 673, 736, 193, 693, 113, 21, 298, 699,
                                 837, 141, 997, 872],
                                [589, 658, 79, 77, 493, 79, 163, 484, 631, 547,
                                 53, 991, 387],
                                [536, 709, 286, 817, 344, 230, 460, 648, 13, 13,
                                 268, 604, 512],
                                [107, 41, 145, 882, 103, 149, 377, 919, 188,
                                 631, 686, 965, 945],
                                [983, 912, 408, 29, 227, 783, 589, 629, 432,
                                 119, 498, 481, 652],
                                [470, 415, 9, 285, 695, 290, 688, 88, 702, 962,
                                 280, 589, 7]]),
                         [924, 474, 327, 244, 69, 575, 52, 587, 477, 521, 871,
                          701, 236, 67, 85, 35, 62, 33, 396, 872, 387, 512, 945,
                          652, 7, 589, 280, 962, 702, 88, 688, 290, 695, 285, 9,
                          415, 470, 983, 107, 536, 589, 991, 756, 435, 859, 885,
                          161, 521, 643, 870, 149, 368, 896, 185, 164, 142, 419,
                          686, 209, 872, 331, 350, 567, 494, 997, 991, 604, 965,
                          481, 498, 119, 432, 629, 589, 783, 227, 29, 408, 912,
                          41, 709, 658, 673, 543, 913, 82, 784, 18, 876, 414,
                          245, 830, 900, 985, 627, 760, 366, 430, 433, 368, 190,
                          141, 53, 268, 686, 631, 188, 919, 377, 149, 103, 882,
                          145, 286, 79, 736, 726, 330, 149, 859, 378, 232, 55,
                          455, 716, 558, 68, 363, 315, 966, 837, 547, 13, 13,
                          648, 460, 230, 344, 817, 77, 193, 158, 343, 721, 581,
                          743, 272, 68, 600, 282, 731, 699, 631, 484, 163, 79,
                          493, 693, 116, 219, 649, 84, 442, 351, 298, 21, 113,
                          526, 43])
    
    def test_snail_038(self):
        self.assertEqual(snail([[332, 189, 638, 117, 858, 164, 701, 784, 749,
                                 950, 707, 293, 233, 576],
                                [380, 752, 798, 298, 597, 470, 623, 773, 953,
                                 86, 251, 504, 126, 633],
                                [337, 241, 413, 616, 605, 278, 289, 366, 162,
                                 83, 632, 601, 771, 812],
                                [814, 497, 196, 480, 388, 471, 689, 147, 436,
                                 568, 298, 36, 503, 120],
                                [867, 706, 472, 178, 529, 333, 885, 252, 864,
                                 324, 288, 246, 463, 478],
                                [702, 781, 720, 927, 185, 781, 841, 175, 822,
                                 170, 77, 144, 909, 301],
                                [779, 325, 154, 452, 539, 389, 191, 453, 664,
                                 920, 216, 383, 873, 917],
                                [859, 868, 29, 729, 640, 104, 731, 668, 816,
                                 335, 907, 242, 563, 950],
                                [230, 53, 485, 405, 276, 592, 563, 860, 770,
                                 124, 501, 431, 370, 908],
                                [355, 994, 912, 644, 789, 852, 140, 693, 256,
                                 677, 136, 488, 337, 317],
                                [346, 323, 9, 399, 577, 991, 9, 152, 271, 188,
                                 222, 851, 696, 985],
                                [481, 705, 515, 680, 129, 670, 380, 894, 951,
                                 245, 577, 654, 109, 754],
                                [889, 295, 885, 544, 579, 931, 693, 95, 772,
                                 865, 210, 62, 232, 361],
                                [743, 942, 729, 57, 879, 664, 20, 779, 401, 449,
                                 973, 521, 380, 393]]),
                         [332, 189, 638, 117, 858, 164, 701, 784, 749, 950, 707,
                          293, 233, 576, 633, 812, 120, 478, 301, 917, 950, 908,
                          317, 985, 754, 361, 393, 380, 521, 973, 449, 401, 779,
                          20, 664, 879, 57, 729, 942, 743, 889, 481, 346, 355,
                          230, 859, 779, 702, 867, 814, 337, 380, 752, 798, 298,
                          597, 470, 623, 773, 953, 86, 251, 504, 126, 771, 503,
                          463, 909, 873, 563, 370, 337, 696, 109, 232, 62, 210,
                          865, 772, 95, 693, 931, 579, 544, 885, 295, 705, 323,
                          994, 53, 868, 325, 781, 706, 497, 241, 413, 616, 605,
                          278, 289, 366, 162, 83, 632, 601, 36, 246, 144, 383,
                          242, 431, 488, 851, 654, 577, 245, 951, 894, 380, 670,
                          129, 680, 515, 9, 912, 485, 29, 154, 720, 472, 196,
                          480, 388, 471, 689, 147, 436, 568, 298, 288, 77, 216,
                          907, 501, 136, 222, 188, 271, 152, 9, 991, 577, 399,
                          644, 405, 729, 452, 927, 178, 529, 333, 885, 252, 864,
                          324, 170, 920, 335, 124, 677, 256, 693, 140, 852, 789,
                          276, 640, 539, 185, 781, 841, 175, 822, 664, 816, 770,
                          860, 563, 592, 104, 389, 191, 453, 668, 731])
    
    def test_snail_039(self):
        self.assertEqual(snail([[686, 345, 940, 678, 562, 159, 206, 990, 927,
                                 298, 539, 662, 265, 951, 400],
                                [528, 940, 929, 898, 770, 67, 357, 491, 61, 867,
                                 425, 746, 957, 613, 720],
                                [116, 943, 331, 211, 933, 899, 736, 195, 147,
                                 366, 181, 973, 59, 873, 379],
                                [161, 879, 580, 471, 865, 871, 542, 206, 816,
                                 807, 436, 387, 893, 970, 145],
                                [367, 686, 933, 883, 434, 565, 652, 528, 199,
                                 346, 378, 377, 911, 746, 288],
                                [844, 843, 849, 486, 101, 957, 940, 223, 930,
                                 113, 359, 782, 652, 783, 559],
                                [56, 652, 242, 424, 531, 187, 16, 752, 168, 603,
                                 702, 435, 237, 814, 398],
                                [10, 230, 815, 547, 434, 244, 56, 947, 758, 155,
                                 407, 213, 366, 418, 518],
                                [438, 950, 214, 575, 809, 811, 370, 916, 57,
                                 964, 918, 461, 428, 971, 456],
                                [190, 751, 7, 549, 101, 648, 636, 735, 371, 122,
                                 316, 848, 463, 552, 41],
                                [82, 332, 595, 889, 290, 652, 211, 874, 249,
                                 740, 352, 870, 517, 810, 422],
                                [248, 681, 64, 600, 6, 399, 108, 991, 123, 413,
                                 862, 309, 28, 957, 861],
                                [603, 104, 908, 12, 827, 54, 796, 166, 701, 933,
                                 180, 308, 604, 374, 950],
                                [495, 877, 743, 460, 546, 160, 966, 712, 708,
                                 606, 52, 445, 957, 762, 950],
                                [39, 185, 527, 228, 972, 273, 584, 336, 352,
                                 376, 681, 554, 34, 322, 125]]),
                         [686, 345, 940, 678, 562, 159, 206, 990, 927, 298, 539,
                          662, 265, 951, 400, 720, 379, 145, 288, 559, 398, 518,
                          456, 41, 422, 861, 950, 950, 125, 322, 34, 554, 681,
                          376, 352, 336, 584, 273, 972, 228, 527, 185, 39, 495,
                          603, 248, 82, 190, 438, 10, 56, 844, 367, 161, 116,
                          528, 940, 929, 898, 770, 67, 357, 491, 61, 867, 425,
                          746, 957, 613, 873, 970, 746, 783, 814, 418, 971, 552,
                          810, 957, 374, 762, 957, 445, 52, 606, 708, 712, 966,
                          160, 546, 460, 743, 877, 104, 681, 332, 751, 950, 230,
                          652, 843, 686, 879, 943, 331, 211, 933, 899, 736, 195,
                          147, 366, 181, 973, 59, 893, 911, 652, 237, 366, 428,
                          463, 517, 28, 604, 308, 180, 933, 701, 166, 796, 54,
                          827, 12, 908, 64, 595, 7, 214, 815, 242, 849, 933,
                          580, 471, 865, 871, 542, 206, 816, 807, 436, 387, 377,
                          782, 435, 213, 461, 848, 870, 309, 862, 413, 123, 991,
                          108, 399, 6, 600, 889, 549, 575, 547, 424, 486, 883,
                          434, 565, 652, 528, 199, 346, 378, 359, 702, 407, 918,
                          316, 352, 740, 249, 874, 211, 652, 290, 101, 809, 434,
                          531, 101, 957, 940, 223, 930, 113, 603, 155, 964, 122,
                          371, 735, 636, 648, 811, 244, 187, 16, 752, 168, 758,
                          57, 916, 370, 56, 947])
    
    def test_snail_040(self):
        self.assertEqual(snail([[234, 459, 8, 740, 18, 612, 971, 482, 105, 70],
                                [725, 582, 552, 166, 909, 83, 323, 842, 901,
                                 479],
                                [139, 880, 685, 560, 197, 820, 458, 261, 491,
                                 930],
                                [917, 677, 674, 610, 470, 744, 893, 604, 310,
                                 818],
                                [826, 470, 627, 391, 222, 544, 687, 939, 544,
                                 952],
                                [68, 614, 803, 517, 852, 251, 87, 88, 838, 229],
                                [269, 848, 520, 498, 486, 567, 575, 779, 706,
                                 74],
                                [567, 438, 209, 639, 573, 640, 885, 830, 665,
                                 130],
                                [183, 483, 877, 703, 75, 515, 323, 482, 901,
                                 562],
                                [426, 570, 572, 144, 924, 285, 48, 976, 282,
                                 802]]),
                         [234, 459, 8, 740, 18, 612, 971, 482, 105, 70, 479,
                          930, 818, 952, 229, 74, 130, 562, 802, 282, 976, 48,
                          285, 924, 144, 572, 570, 426, 183, 567, 269, 68, 826,
                          917, 139, 725, 582, 552, 166, 909, 83, 323, 842, 901,
                          491, 310, 544, 838, 706, 665, 901, 482, 323, 515, 75,
                          703, 877, 483, 438, 848, 614, 470, 677, 880, 685, 560,
                          197, 820, 458, 261, 604, 939, 88, 779, 830, 885, 640,
                          573, 639, 209, 520, 803, 627, 674, 610, 470, 744, 893,
                          687, 87, 575, 567, 486, 498, 517, 391, 222, 544, 251,
                          852])
    
    def test_snail_041(self):
        self.assertEqual(snail(
                [[966, 770, 415, 443, 591], [733, 239, 637, 938, 246],
                 [567, 292, 816, 631, 702], [315, 312, 771, 408, 474],
                 [275, 740, 146, 719, 961]]),
                         [966, 770, 415, 443, 591, 246, 702, 474, 961, 719, 146,
                          740, 275, 315, 567, 733, 239, 637, 938, 631, 408, 771,
                          312, 292, 816])
    
    def test_snail_042(self):
        self.assertEqual(snail([[928, 128, 90, 593, 147, 757, 325, 206, 400,
                                 949, 633, 558, 879],
                                [190, 99, 708, 968, 665, 847, 159, 388, 584,
                                 547, 469, 788, 586],
                                [684, 65, 832, 834, 651, 891, 458, 712, 596,
                                 377, 465, 789, 44],
                                [653, 136, 125, 990, 21, 351, 405, 771, 910,
                                 922, 213, 998, 75],
                                [165, 220, 334, 367, 603, 930, 821, 232, 624,
                                 209, 353, 156, 271],
                                [437, 145, 802, 747, 716, 565, 784, 364, 524,
                                 475, 283, 81, 501],
                                [821, 590, 652, 948, 704, 922, 334, 102, 905,
                                 13, 335, 462, 425],
                                [118, 633, 924, 637, 123, 245, 432, 807, 579,
                                 480, 828, 79, 942],
                                [805, 592, 718, 356, 790, 549, 125, 844, 691,
                                 71, 835, 150, 747],
                                [87, 541, 24, 922, 952, 881, 463, 192, 319, 765,
                                 771, 368, 432],
                                [149, 859, 949, 368, 342, 942, 337, 598, 490,
                                 889, 50, 794, 786],
                                [868, 167, 392, 93, 126, 521, 922, 941, 210,
                                 170, 982, 94, 43],
                                [583, 931, 24, 750, 990, 453, 518, 9, 657, 789,
                                 678, 676, 756]]),
                         [928, 128, 90, 593, 147, 757, 325, 206, 400, 949, 633,
                          558, 879, 586, 44, 75, 271, 501, 425, 942, 747, 432,
                          786, 43, 756, 676, 678, 789, 657, 9, 518, 453, 990,
                          750, 24, 931, 583, 868, 149, 87, 805, 118, 821, 437,
                          165, 653, 684, 190, 99, 708, 968, 665, 847, 159, 388,
                          584, 547, 469, 788, 789, 998, 156, 81, 462, 79, 150,
                          368, 794, 94, 982, 170, 210, 941, 922, 521, 126, 93,
                          392, 167, 859, 541, 592, 633, 590, 145, 220, 136, 65,
                          832, 834, 651, 891, 458, 712, 596, 377, 465, 213, 353,
                          283, 335, 828, 835, 771, 50, 889, 490, 598, 337, 942,
                          342, 368, 949, 24, 718, 924, 652, 802, 334, 125, 990,
                          21, 351, 405, 771, 910, 922, 209, 475, 13, 480, 71,
                          765, 319, 192, 463, 881, 952, 922, 356, 637, 948, 747,
                          367, 603, 930, 821, 232, 624, 524, 905, 579, 691, 844,
                          125, 549, 790, 123, 704, 716, 565, 784, 364, 102, 807,
                          432, 245, 922, 334])
    
    def test_snail_043(self):
        self.assertEqual(snail(
                [[87, 462, 110, 33, 41, 613, 234, 971, 424, 490, 399],
                 [489, 50, 350, 304, 182, 24, 614, 707, 935, 678, 706],
                 [363, 94, 140, 854, 757, 467, 369, 903, 629, 342, 144],
                 [838, 301, 145, 18, 841, 484, 374, 723, 136, 333, 757],
                 [316, 713, 514, 19, 847, 337, 830, 358, 313, 138, 270],
                 [869, 803, 76, 126, 424, 80, 383, 117, 180, 519, 534],
                 [663, 709, 774, 866, 180, 59, 780, 653, 290, 958, 920],
                 [931, 926, 174, 65, 301, 51, 255, 19, 439, 910, 474],
                 [229, 84, 159, 158, 470, 597, 842, 83, 794, 285, 20],
                 [248, 938, 591, 246, 529, 506, 869, 146, 600, 738, 931],
                 [391, 267, 55, 182, 281, 344, 431, 338, 792, 443, 687]]),
                         [87, 462, 110, 33, 41, 613, 234, 971, 424, 490, 399,
                          706, 144, 757, 270, 534, 920, 474, 20, 931, 687, 443,
                          792, 338, 431, 344, 281, 182, 55, 267, 391, 248, 229,
                          931, 663, 869, 316, 838, 363, 489, 50, 350, 304, 182,
                          24, 614, 707, 935, 678, 342, 333, 138, 519, 958, 910,
                          285, 738, 600, 146, 869, 506, 529, 246, 591, 938, 84,
                          926, 709, 803, 713, 301, 94, 140, 854, 757, 467, 369,
                          903, 629, 136, 313, 180, 290, 439, 794, 83, 842, 597,
                          470, 158, 159, 174, 774, 76, 514, 145, 18, 841, 484,
                          374, 723, 358, 117, 653, 19, 255, 51, 301, 65, 866,
                          126, 19, 847, 337, 830, 383, 780, 59, 180, 424, 80])
    
    def test_snail_044(self):
        self.assertEqual(snail(
                [[64, 644, 694, 5, 163, 760, 568, 84, 67, 517, 872],
                 [933, 412, 172, 162, 97, 626, 830, 969, 809, 522, 539],
                 [910, 121, 228, 803, 443, 4, 341, 64, 60, 438, 964],
                 [320, 135, 26, 700, 58, 741, 111, 944, 580, 855, 195],
                 [2, 802, 971, 42, 232, 432, 910, 803, 694, 46, 826],
                 [612, 974, 539, 639, 21, 878, 809, 246, 218, 331, 974],
                 [804, 448, 962, 406, 439, 556, 826, 109, 798, 609, 867],
                 [260, 335, 33, 122, 577, 639, 88, 887, 760, 705, 784],
                 [893, 908, 88, 16, 905, 923, 220, 690, 648, 747, 591],
                 [276, 217, 551, 996, 879, 575, 154, 724, 468, 856, 317],
                 [427, 269, 210, 221, 352, 980, 952, 189, 573, 520, 383]]),
                         [64, 644, 694, 5, 163, 760, 568, 84, 67, 517, 872, 539,
                          964, 195, 826, 974, 867, 784, 591, 317, 383, 520, 573,
                          189, 952, 980, 352, 221, 210, 269, 427, 276, 893, 260,
                          804, 612, 2, 320, 910, 933, 412, 172, 162, 97, 626,
                          830, 969, 809, 522, 438, 855, 46, 331, 609, 705, 747,
                          856, 468, 724, 154, 575, 879, 996, 551, 217, 908, 335,
                          448, 974, 802, 135, 121, 228, 803, 443, 4, 341, 64,
                          60, 580, 694, 218, 798, 760, 648, 690, 220, 923, 905,
                          16, 88, 33, 962, 539, 971, 26, 700, 58, 741, 111, 944,
                          803, 246, 109, 887, 88, 639, 577, 122, 406, 639, 42,
                          232, 432, 910, 809, 826, 556, 439, 21, 878])
    
    def test_snail_045(self):
        self.assertEqual(snail([[631, 374, 877, 595, 738, 324, 704, 280, 468,
                                 923, 505, 471, 786],
                                [725, 339, 191, 381, 268, 471, 998, 922, 108,
                                 118, 197, 889, 647],
                                [422, 442, 5, 197, 843, 702, 57, 58, 593, 76,
                                 159, 773, 840],
                                [166, 158, 990, 841, 117, 450, 765, 455, 254,
                                 99, 224, 624, 608],
                                [129, 252, 729, 219, 199, 309, 229, 855, 542,
                                 972, 470, 850, 286],
                                [255, 368, 57, 890, 572, 308, 655, 779, 134,
                                 580, 335, 387, 888],
                                [27, 281, 301, 15, 780, 318, 425, 931, 277, 972,
                                 499, 622, 692],
                                [466, 70, 405, 84, 594, 63, 228, 946, 440, 354,
                                 720, 480, 259],
                                [257, 323, 934, 503, 258, 510, 921, 254, 430,
                                 508, 484, 353, 949],
                                [321, 168, 497, 248, 670, 628, 258, 877, 585,
                                 965, 796, 567, 233],
                                [190, 127, 715, 552, 621, 806, 212, 367, 420,
                                 826, 534, 428, 604],
                                [908, 504, 880, 691, 117, 289, 731, 232, 629,
                                 161, 417, 942, 52],
                                [341, 721, 127, 728, 46, 763, 884, 431, 905,
                                 951, 338, 775, 868]]),
                         [631, 374, 877, 595, 738, 324, 704, 280, 468, 923, 505,
                          471, 786, 647, 840, 608, 286, 888, 692, 259, 949, 233,
                          604, 52, 868, 775, 338, 951, 905, 431, 884, 763, 46,
                          728, 127, 721, 341, 908, 190, 321, 257, 466, 27, 255,
                          129, 166, 422, 725, 339, 191, 381, 268, 471, 998, 922,
                          108, 118, 197, 889, 773, 624, 850, 387, 622, 480, 353,
                          567, 428, 942, 417, 161, 629, 232, 731, 289, 117, 691,
                          880, 504, 127, 168, 323, 70, 281, 368, 252, 158, 442,
                          5, 197, 843, 702, 57, 58, 593, 76, 159, 224, 470, 335,
                          499, 720, 484, 796, 534, 826, 420, 367, 212, 806, 621,
                          552, 715, 497, 934, 405, 301, 57, 729, 990, 841, 117,
                          450, 765, 455, 254, 99, 972, 580, 972, 354, 508, 965,
                          585, 877, 258, 628, 670, 248, 503, 84, 15, 890, 219,
                          199, 309, 229, 855, 542, 134, 277, 440, 430, 254, 921,
                          510, 258, 594, 780, 572, 308, 655, 779, 931, 946, 228,
                          63, 318, 425])
    
    def test_snail_046(self):
        self.assertEqual(snail(
                [[448, 727, 434, 177, 987], [288, 839, 372, 379, 326],
                 [266, 287, 407, 590, 327], [782, 941, 470, 580, 365],
                 [823, 313, 939, 776, 834]]),
                         [448, 727, 434, 177, 987, 326, 327, 365, 834, 776, 939,
                          313, 823, 782, 266, 288, 839, 372, 379, 590, 580, 470,
                          941, 287, 407])
    
    def test_snail_047(self):
        self.assertEqual(snail([[134, 625, 697, 457, 3, 817, 998, 303, 562, 680,
                                 864, 613, 483, 648, 569, 37],
                                [328, 426, 402, 699, 409, 971, 63, 339, 238,
                                 759, 392, 835, 574, 349, 949, 842],
                                [491, 104, 329, 958, 321, 561, 47, 185, 759,
                                 121, 608, 163, 746, 268, 114, 96],
                                [166, 374, 830, 603, 171, 472, 891, 395, 650,
                                 879, 219, 441, 151, 672, 331, 202],
                                [763, 122, 903, 770, 555, 406, 876, 126, 509,
                                 564, 333, 937, 863, 163, 970, 818],
                                [736, 749, 999, 758, 110, 809, 701, 861, 153,
                                 823, 721, 107, 944, 830, 750, 333],
                                [750, 454, 398, 921, 852, 451, 774, 157, 715,
                                 578, 474, 135, 955, 838, 386, 887],
                                [140, 935, 474, 862, 292, 785, 433, 271, 153,
                                 908, 426, 686, 694, 206, 251, 533],
                                [13, 708, 970, 604, 773, 469, 663, 311, 734,
                                 930, 528, 284, 558, 278, 112, 796],
                                [737, 293, 588, 611, 94, 821, 436, 105, 464,
                                 543, 35, 623, 3, 33, 611, 809],
                                [812, 394, 490, 319, 385, 300, 47, 217, 181,
                                 839, 527, 229, 889, 212, 754, 34],
                                [615, 169, 501, 732, 472, 298, 728, 494, 639,
                                 582, 167, 79, 679, 66, 116, 445],
                                [307, 688, 864, 469, 119, 374, 338, 182, 396,
                                 651, 77, 319, 744, 499, 95, 599],
                                [684, 884, 412, 446, 154, 747, 892, 34, 875,
                                 845, 609, 455, 551, 940, 151, 932],
                                [949, 14, 409, 86, 966, 430, 157, 919, 875, 783,
                                 268, 184, 420, 162, 970, 673],
                                [65, 50, 700, 314, 348, 547, 655, 313, 165, 573,
                                 789, 164, 219, 216, 353, 975]]),
                         [134, 625, 697, 457, 3, 817, 998, 303, 562, 680, 864,
                          613, 483, 648, 569, 37, 842, 96, 202, 818, 333, 887,
                          533, 796, 809, 34, 445, 599, 932, 673, 975, 353, 216,
                          219, 164, 789, 573, 165, 313, 655, 547, 348, 314, 700,
                          50, 65, 949, 684, 307, 615, 812, 737, 13, 140, 750,
                          736, 763, 166, 491, 328, 426, 402, 699, 409, 971, 63,
                          339, 238, 759, 392, 835, 574, 349, 949, 114, 331, 970,
                          750, 386, 251, 112, 611, 754, 116, 95, 151, 970, 162,
                          420, 184, 268, 783, 875, 919, 157, 430, 966, 86, 409,
                          14, 884, 688, 169, 394, 293, 708, 935, 454, 749, 122,
                          374, 104, 329, 958, 321, 561, 47, 185, 759, 121, 608,
                          163, 746, 268, 672, 163, 830, 838, 206, 278, 33, 212,
                          66, 499, 940, 551, 455, 609, 845, 875, 34, 892, 747,
                          154, 446, 412, 864, 501, 490, 588, 970, 474, 398, 999,
                          903, 830, 603, 171, 472, 891, 395, 650, 879, 219, 441,
                          151, 863, 944, 955, 694, 558, 3, 889, 679, 744, 319,
                          77, 651, 396, 182, 338, 374, 119, 469, 732, 319, 611,
                          604, 862, 921, 758, 770, 555, 406, 876, 126, 509, 564,
                          333, 937, 107, 135, 686, 284, 623, 229, 79, 167, 582,
                          639, 494, 728, 298, 472, 385, 94, 773, 292, 852, 110,
                          809, 701, 861, 153, 823, 721, 474, 426, 528, 35, 527,
                          839, 181, 217, 47, 300, 821, 469, 785, 451, 774, 157,
                          715, 578, 908, 930, 543, 464, 105, 436, 663, 433, 271,
                          153, 734, 311])
    
    def test_snail_048(self):
        self.assertEqual(snail(
                [[148, 131, 809, 558, 988], [226, 872, 217, 699, 709],
                 [326, 703, 976, 559, 826], [749, 582, 891, 321, 58],
                 [773, 142, 687, 234, 325]]),
                         [148, 131, 809, 558, 988, 709, 826, 58, 325, 234, 687,
                          142, 773, 749, 326, 226, 872, 217, 699, 559, 321, 891,
                          582, 703, 976])
    
    def test_snail_049(self):
        self.assertEqual(snail([[705, 149, 326, 506, 792, 406, 65, 525, 996,
                                 158, 592, 282, 643, 696, 31, 520, 757, 275,
                                 276],
                                [395, 704, 227, 598, 163, 173, 844, 171, 882,
                                 571, 228, 161, 943, 43, 278, 3, 680, 719, 746],
                                [871, 369, 979, 617, 840, 771, 315, 81, 751,
                                 543, 799, 516, 452, 899, 115, 102, 262, 234,
                                 751],
                                [667, 55, 885, 708, 943, 586, 330, 992, 663, 19,
                                 180, 786, 89, 208, 486, 706, 742, 854, 883],
                                [103, 917, 812, 629, 301, 326, 783, 757, 747,
                                 217, 464, 220, 562, 390, 45, 883, 755, 278,
                                 96],
                                [58, 584, 52, 378, 774, 536, 631, 392, 592, 219,
                                 897, 685, 895, 23, 749, 884, 417, 365, 463],
                                [664, 410, 795, 818, 377, 952, 133, 43, 696,
                                 342, 423, 412, 93, 337, 963, 722, 730, 824,
                                 748],
                                [274, 831, 339, 463, 30, 408, 981, 958, 816,
                                 799, 771, 659, 368, 494, 854, 878, 811, 16,
                                 433],
                                [55, 449, 296, 203, 66, 988, 124, 753, 17, 600,
                                 108, 79, 710, 973, 4, 847, 137, 725, 579],
                                [180, 356, 532, 283, 330, 882, 65, 248, 621,
                                 572, 310, 119, 394, 624, 463, 326, 872, 983,
                                 335],
                                [125, 938, 860, 228, 485, 110, 914, 335, 985,
                                 788, 16, 492, 118, 658, 83, 673, 310, 463,
                                 128],
                                [896, 593, 150, 280, 186, 824, 408, 2, 842, 388,
                                 750, 674, 634, 221, 435, 728, 183, 685, 119],
                                [478, 785, 827, 612, 727, 240, 864, 732, 557,
                                 136, 936, 280, 12, 953, 210, 158, 70, 762, 97],
                                [209, 645, 785, 915, 570, 703, 602, 696, 480,
                                 206, 360, 662, 900, 39, 967, 709, 439, 5, 933],
                                [441, 925, 978, 564, 488, 326, 796, 781, 197,
                                 696, 81, 630, 144, 317, 215, 987, 154, 30,
                                 142],
                                [112, 745, 428, 350, 952, 650, 589, 463, 204,
                                 57, 648, 273, 336, 497, 280, 697, 991, 997,
                                 700],
                                [731, 537, 58, 463, 528, 662, 243, 565, 934,
                                 490, 476, 244, 23, 859, 237, 545, 623, 6, 478],
                                [54, 910, 609, 160, 253, 282, 264, 395, 951,
                                 466, 832, 888, 589, 309, 698, 27, 242, 647,
                                 506],
                                [954, 699, 371, 224, 674, 22, 408, 24, 461, 574,
                                 344, 658, 634, 902, 534, 85, 9, 177, 809]]),
                         [705, 149, 326, 506, 792, 406, 65, 525, 996, 158, 592,
                          282, 643, 696, 31, 520, 757, 275, 276, 746, 751, 883,
                          96, 463, 748, 433, 579, 335, 128, 119, 97, 933, 142,
                          700, 478, 506, 809, 177, 9, 85, 534, 902, 634, 658,
                          344, 574, 461, 24, 408, 22, 674, 224, 371, 699, 954,
                          54, 731, 112, 441, 209, 478, 896, 125, 180, 55, 274,
                          664, 58, 103, 667, 871, 395, 704, 227, 598, 163, 173,
                          844, 171, 882, 571, 228, 161, 943, 43, 278, 3, 680,
                          719, 234, 854, 278, 365, 824, 16, 725, 983, 463, 685,
                          762, 5, 30, 997, 6, 647, 242, 27, 698, 309, 589, 888,
                          832, 466, 951, 395, 264, 282, 253, 160, 609, 910, 537,
                          745, 925, 645, 785, 593, 938, 356, 449, 831, 410, 584,
                          917, 55, 369, 979, 617, 840, 771, 315, 81, 751, 543,
                          799, 516, 452, 899, 115, 102, 262, 742, 755, 417, 730,
                          811, 137, 872, 310, 183, 70, 439, 154, 991, 623, 545,
                          237, 859, 23, 244, 476, 490, 934, 565, 243, 662, 528,
                          463, 58, 428, 978, 785, 827, 150, 860, 532, 296, 339,
                          795, 52, 812, 885, 708, 943, 586, 330, 992, 663, 19,
                          180, 786, 89, 208, 486, 706, 883, 884, 722, 878, 847,
                          326, 673, 728, 158, 709, 987, 697, 280, 497, 336, 273,
                          648, 57, 204, 463, 589, 650, 952, 350, 564, 915, 612,
                          280, 228, 283, 203, 463, 818, 378, 629, 301, 326, 783,
                          757, 747, 217, 464, 220, 562, 390, 45, 749, 963, 854,
                          4, 463, 83, 435, 210, 967, 215, 317, 144, 630, 81,
                          696, 197, 781, 796, 326, 488, 570, 727, 186, 485, 330,
                          66, 30, 377, 774, 536, 631, 392, 592, 219, 897, 685,
                          895, 23, 337, 494, 973, 624, 658, 221, 953, 39, 900,
                          662, 360, 206, 480, 696, 602, 703, 240, 824, 110, 882,
                          988, 408, 952, 133, 43, 696, 342, 423, 412, 93, 368,
                          710, 394, 118, 634, 12, 280, 936, 136, 557, 732, 864,
                          408, 914, 65, 124, 981, 958, 816, 799, 771, 659, 79,
                          119, 492, 674, 750, 388, 842, 2, 335, 248, 753, 17,
                          600, 108, 310, 16, 788, 985, 621, 572])
    
    def test_snail_050(self):
        self.assertEqual(snail([[772, 352, 920, 451, 295, 883, 38, 33, 562, 598,
                                 383, 190, 999, 918, 657, 173, 310, 243, 749,
                                 460],
                                [868, 561, 653, 879, 805, 379, 61, 961, 64, 493,
                                 854, 923, 284, 452, 702, 792, 656, 695, 771,
                                 962],
                                [575, 398, 964, 954, 690, 209, 562, 164, 793,
                                 976, 475, 330, 814, 655, 710, 811, 570, 20,
                                 373, 610],
                                [799, 80, 212, 607, 883, 605, 697, 849, 982,
                                 661, 68, 1000, 250, 950, 796, 122, 601, 798,
                                 50, 473],
                                [648, 224, 554, 600, 467, 884, 2, 280, 425, 105,
                                 226, 557, 661, 814, 881, 477, 370, 872, 659,
                                 927],
                                [50, 371, 90, 503, 987, 116, 255, 374, 300, 948,
                                 323, 898, 296, 361, 455, 546, 622, 633, 987,
                                 34],
                                [579, 674, 687, 200, 919, 843, 315, 736, 450,
                                 74, 420, 214, 736, 519, 696, 801, 571, 265, 46,
                                 237],
                                [563, 899, 518, 645, 484, 597, 183, 589, 888,
                                 826, 717, 73, 576, 799, 888, 231, 304, 510,
                                 167, 831],
                                [724, 228, 499, 474, 241, 346, 119, 150, 200,
                                 443, 641, 64, 147, 137, 161, 378, 536, 46, 176,
                                 711],
                                [516, 527, 767, 644, 171, 340, 400, 775, 654,
                                 690, 324, 130, 873, 579, 34, 550, 42, 834, 905,
                                 174],
                                [26, 59, 337, 14, 944, 322, 490, 974, 40, 995,
                                 912, 636, 919, 123, 190, 482, 123, 182, 178,
                                 289],
                                [730, 222, 970, 185, 610, 987, 177, 447, 885,
                                 117, 172, 22, 795, 119, 487, 673, 245, 819,
                                 515, 318],
                                [962, 540, 368, 132, 532, 594, 446, 193, 252,
                                 326, 872, 981, 622, 416, 624, 320, 71, 891, 65,
                                 983],
                                [566, 302, 822, 651, 557, 542, 962, 668, 813,
                                 564, 474, 351, 757, 454, 748, 63, 925, 612,
                                 389, 297],
                                [946, 119, 214, 810, 762, 218, 502, 3, 429, 607,
                                 197, 465, 126, 778, 887, 847, 487, 519, 304,
                                 84],
                                [442, 477, 56, 239, 116, 18, 277, 482, 595, 442,
                                 203, 989, 474, 240, 792, 795, 57, 710, 537,
                                 814],
                                [53, 528, 760, 968, 553, 920, 449, 642, 913,
                                 164, 142, 430, 374, 756, 484, 778, 935, 732,
                                 652, 532],
                                [372, 903, 178, 880, 456, 257, 221, 977, 746,
                                 807, 729, 207, 281, 9, 208, 994, 701, 260, 811,
                                 925],
                                [377, 548, 971, 375, 954, 496, 764, 731, 346,
                                 439, 38, 33, 65, 533, 830, 448, 465, 934, 44,
                                 687],
                                [213, 763, 43, 223, 196, 717, 119, 184, 247,
                                 740, 909, 305, 646, 450, 666, 173, 25, 546,
                                 108, 783]]),
                         [772, 352, 920, 451, 295, 883, 38, 33, 562, 598, 383,
                          190, 999, 918, 657, 173, 310, 243, 749, 460, 962, 610,
                          473, 927, 34, 237, 831, 711, 174, 289, 318, 983, 297,
                          84, 814, 532, 925, 687, 783, 108, 546, 25, 173, 666,
                          450, 646, 305, 909, 740, 247, 184, 119, 717, 196, 223,
                          43, 763, 213, 377, 372, 53, 442, 946, 566, 962, 730,
                          26, 516, 724, 563, 579, 50, 648, 799, 575, 868, 561,
                          653, 879, 805, 379, 61, 961, 64, 493, 854, 923, 284,
                          452, 702, 792, 656, 695, 771, 373, 50, 659, 987, 46,
                          167, 176, 905, 178, 515, 65, 389, 304, 537, 652, 811,
                          44, 934, 465, 448, 830, 533, 65, 33, 38, 439, 346,
                          731, 764, 496, 954, 375, 971, 548, 903, 528, 477, 119,
                          302, 540, 222, 59, 527, 228, 899, 674, 371, 224, 80,
                          398, 964, 954, 690, 209, 562, 164, 793, 976, 475, 330,
                          814, 655, 710, 811, 570, 20, 798, 872, 633, 265, 510,
                          46, 834, 182, 819, 891, 612, 519, 710, 732, 260, 701,
                          994, 208, 9, 281, 207, 729, 807, 746, 977, 221, 257,
                          456, 880, 178, 760, 56, 214, 822, 368, 970, 337, 767,
                          499, 518, 687, 90, 554, 212, 607, 883, 605, 697, 849,
                          982, 661, 68, 1000, 250, 950, 796, 122, 601, 370, 622,
                          571, 304, 536, 42, 123, 245, 71, 925, 487, 57, 935,
                          778, 484, 756, 374, 430, 142, 164, 913, 642, 449, 920,
                          553, 968, 239, 810, 651, 132, 185, 14, 644, 474, 645,
                          200, 503, 600, 467, 884, 2, 280, 425, 105, 226, 557,
                          661, 814, 881, 477, 546, 801, 231, 378, 550, 482, 673,
                          320, 63, 847, 795, 792, 240, 474, 989, 203, 442, 595,
                          482, 277, 18, 116, 762, 557, 532, 610, 944, 171, 241,
                          484, 919, 987, 116, 255, 374, 300, 948, 323, 898, 296,
                          361, 455, 696, 888, 161, 34, 190, 487, 624, 748, 887,
                          778, 126, 465, 197, 607, 429, 3, 502, 218, 542, 594,
                          987, 322, 340, 346, 597, 843, 315, 736, 450, 74, 420,
                          214, 736, 519, 799, 137, 579, 123, 119, 416, 454, 757,
                          351, 474, 564, 813, 668, 962, 446, 177, 490, 400, 119,
                          183, 589, 888, 826, 717, 73, 576, 147, 873, 919, 795,
                          622, 981, 872, 326, 252, 193, 447, 974, 775, 150, 200,
                          443, 641, 64, 130, 636, 22, 172, 117, 885, 40, 654,
                          690, 324, 912, 995])
    
    def test_snail_051(self):
        self.assertEqual(snail([[697, 690, 45, 97, 974, 564, 828, 482, 459, 457,
                                 247, 709, 849, 755, 636, 252, 174],
                                [878, 182, 418, 18, 296, 541, 463, 226, 390,
                                 399, 86, 57, 352, 505, 880, 822, 596],
                                [312, 932, 870, 982, 37, 485, 327, 970, 614,
                                 352, 485, 832, 443, 243, 116, 468, 437],
                                [283, 947, 1000, 474, 878, 672, 130, 269, 601,
                                 862, 608, 896, 683, 65, 5, 7, 854],
                                [103, 886, 322, 406, 644, 252, 162, 590, 859,
                                 997, 222, 316, 188, 581, 796, 969, 58],
                                [229, 54, 972, 517, 133, 800, 959, 577, 62, 954,
                                 234, 40, 491, 22, 580, 862, 428],
                                [853, 197, 664, 207, 581, 868, 982, 935, 2, 818,
                                 51, 950, 425, 673, 513, 507, 992],
                                [917, 788, 132, 184, 895, 383, 592, 175, 810,
                                 711, 802, 86, 43, 192, 598, 515, 822],
                                [59, 393, 360, 66, 673, 904, 665, 258, 264, 39,
                                 667, 780, 679, 563, 100, 30, 272],
                                [150, 367, 289, 44, 24, 249, 470, 487, 212, 802,
                                 989, 338, 650, 813, 518, 64, 465],
                                [523, 744, 969, 535, 138, 123, 784, 424, 16,
                                 638, 518, 692, 26, 253, 134, 334, 279],
                                [563, 345, 64, 97, 67, 966, 282, 163, 530, 69,
                                 821, 159, 70, 657, 766, 312, 667],
                                [102, 543, 515, 548, 410, 417, 570, 834, 78,
                                 297, 961, 164, 375, 429, 318, 636, 506],
                                [358, 824, 326, 229, 271, 557, 286, 19, 74, 375,
                                 713, 292, 984, 730, 734, 281, 275],
                                [9, 812, 979, 24, 319, 707, 337, 99, 454, 499,
                                 124, 291, 400, 809, 566, 290, 151],
                                [815, 554, 264, 774, 823, 520, 185, 11, 860,
                                 938, 566, 15, 367, 729, 540, 623, 14],
                                [13, 808, 108, 848, 278, 568, 551, 248, 3, 814,
                                 211, 204, 808, 452, 564, 477, 744]]),
                         [697, 690, 45, 97, 974, 564, 828, 482, 459, 457, 247,
                          709, 849, 755, 636, 252, 174, 596, 437, 854, 58, 428,
                          992, 822, 272, 465, 279, 667, 506, 275, 151, 14, 744,
                          477, 564, 452, 808, 204, 211, 814, 3, 248, 551, 568,
                          278, 848, 108, 808, 13, 815, 9, 358, 102, 563, 523,
                          150, 59, 917, 853, 229, 103, 283, 312, 878, 182, 418,
                          18, 296, 541, 463, 226, 390, 399, 86, 57, 352, 505,
                          880, 822, 468, 7, 969, 862, 507, 515, 30, 64, 334,
                          312, 636, 281, 290, 623, 540, 729, 367, 15, 566, 938,
                          860, 11, 185, 520, 823, 774, 264, 554, 812, 824, 543,
                          345, 744, 367, 393, 788, 197, 54, 886, 947, 932, 870,
                          982, 37, 485, 327, 970, 614, 352, 485, 832, 443, 243,
                          116, 5, 796, 580, 513, 598, 100, 518, 134, 766, 318,
                          734, 566, 809, 400, 291, 124, 499, 454, 99, 337, 707,
                          319, 24, 979, 326, 515, 64, 969, 289, 360, 132, 664,
                          972, 322, 1000, 474, 878, 672, 130, 269, 601, 862,
                          608, 896, 683, 65, 581, 22, 673, 192, 563, 813, 253,
                          657, 429, 730, 984, 292, 713, 375, 74, 19, 286, 557,
                          271, 229, 548, 97, 535, 44, 66, 184, 207, 517, 406,
                          644, 252, 162, 590, 859, 997, 222, 316, 188, 491, 425,
                          43, 679, 650, 26, 70, 375, 164, 961, 297, 78, 834,
                          570, 417, 410, 67, 138, 24, 673, 895, 581, 133, 800,
                          959, 577, 62, 954, 234, 40, 950, 86, 780, 338, 692,
                          159, 821, 69, 530, 163, 282, 966, 123, 249, 904, 383,
                          868, 982, 935, 2, 818, 51, 802, 667, 989, 518, 638,
                          16, 424, 784, 470, 665, 592, 175, 810, 711, 39, 802,
                          212, 487, 258, 264])
    
    def test_snail_052(self):
        self.assertEqual(snail(
                [[20, 403, 806, 88, 823], [815, 182, 755, 134, 479],
                 [267, 452, 774, 27, 393], [680, 645, 139, 170, 600],
                 [345, 733, 858, 567, 786]]),
                         [20, 403, 806, 88, 823, 479, 393, 600, 786, 567, 858,
                          733, 345, 680, 267, 815, 182, 755, 134, 27, 170, 139,
                          645, 452, 774])
    
    def test_snail_053(self):
        self.assertEqual(snail([[196, 838, 193, 215, 121, 793, 196, 949, 361,
                                 294, 910, 341, 538, 137, 777],
                                [733, 398, 687, 983, 435, 870, 229, 107, 407,
                                 772, 68, 915, 209, 859, 737],
                                [212, 594, 822, 823, 492, 867, 788, 511, 744,
                                 679, 68, 763, 663, 708, 835],
                                [207, 592, 305, 579, 378, 864, 922, 874, 424,
                                 364, 237, 930, 250, 343, 516],
                                [817, 144, 317, 932, 246, 346, 160, 676, 51,
                                 860, 889, 532, 902, 60, 300],
                                [132, 26, 383, 247, 812, 338, 673, 679, 88, 254,
                                 502, 553, 165, 334, 186],
                                [59, 683, 976, 614, 311, 493, 17, 433, 171, 254,
                                 478, 430, 6, 238, 216],
                                [70, 590, 861, 521, 494, 163, 91, 792, 848, 892,
                                 525, 313, 845, 455, 222],
                                [471, 326, 678, 405, 72, 724, 69, 630, 206, 767,
                                 730, 223, 860, 290, 477],
                                [848, 786, 184, 788, 614, 38, 213, 908, 258,
                                 752, 927, 756, 780, 835, 260],
                                [240, 604, 469, 663, 791, 671, 405, 848, 731,
                                 335, 905, 129, 239, 679, 516],
                                [28, 935, 400, 783, 206, 777, 836, 627, 32, 475,
                                 736, 206, 469, 495, 543],
                                [271, 429, 63, 55, 402, 237, 622, 711, 443, 603,
                                 307, 107, 892, 627, 360],
                                [265, 323, 177, 700, 4, 43, 396, 551, 646, 392,
                                 735, 686, 784, 445, 603],
                                [807, 589, 84, 393, 478, 843, 317, 717, 678,
                                 341, 257, 31, 498, 454, 260]]),
                         [196, 838, 193, 215, 121, 793, 196, 949, 361, 294, 910,
                          341, 538, 137, 777, 737, 835, 516, 300, 186, 216, 222,
                          477, 260, 516, 543, 360, 603, 260, 454, 498, 31, 257,
                          341, 678, 717, 317, 843, 478, 393, 84, 589, 807, 265,
                          271, 28, 240, 848, 471, 70, 59, 132, 817, 207, 212,
                          733, 398, 687, 983, 435, 870, 229, 107, 407, 772, 68,
                          915, 209, 859, 708, 343, 60, 334, 238, 455, 290, 835,
                          679, 495, 627, 445, 784, 686, 735, 392, 646, 551, 396,
                          43, 4, 700, 177, 323, 429, 935, 604, 786, 326, 590,
                          683, 26, 144, 592, 594, 822, 823, 492, 867, 788, 511,
                          744, 679, 68, 763, 663, 250, 902, 165, 6, 845, 860,
                          780, 239, 469, 892, 107, 307, 603, 443, 711, 622, 237,
                          402, 55, 63, 400, 469, 184, 678, 861, 976, 383, 317,
                          305, 579, 378, 864, 922, 874, 424, 364, 237, 930, 532,
                          553, 430, 313, 223, 756, 129, 206, 736, 475, 32, 627,
                          836, 777, 206, 783, 663, 788, 405, 521, 614, 247, 932,
                          246, 346, 160, 676, 51, 860, 889, 502, 478, 525, 730,
                          927, 905, 335, 731, 848, 405, 671, 791, 614, 72, 494,
                          311, 812, 338, 673, 679, 88, 254, 254, 892, 767, 752,
                          258, 908, 213, 38, 724, 163, 493, 17, 433, 171, 848,
                          206, 630, 69, 91, 792])
    
    def test_snail_054(self):
        self.assertEqual(snail(
                [[680, 28, 574, 89, 186, 359], [110, 422, 21, 950, 715, 79],
                 [344, 688, 686, 338, 239, 840], [320, 321, 492, 418, 905, 628],
                 [684, 383, 704, 429, 457, 932],
                 [977, 861, 351, 408, 652, 42]]),
                         [680, 28, 574, 89, 186, 359, 79, 840, 628, 932, 42,
                          652, 408, 351, 861, 977, 684, 320, 344, 110, 422, 21,
                          950, 715, 239, 905, 457, 429, 704, 383, 321, 688, 686,
                          338, 418, 492])
    
    def test_snail_055(self):
        self.assertEqual(snail([[58, 407, 6, 598, 246, 664, 722, 382, 779, 444,
                                 939, 572, 998, 857, 973, 783, 332, 192],
                                [664, 600, 824, 153, 433, 187, 978, 637, 740,
                                 427, 135, 816, 393, 522, 351, 940, 896, 65],
                                [126, 399, 993, 472, 941, 3, 717, 884, 803, 688,
                                 203, 219, 414, 589, 972, 999, 730, 672],
                                [43, 467, 608, 228, 380, 252, 318, 177, 251,
                                 657, 281, 509, 714, 14, 49, 909, 934, 672],
                                [718, 635, 676, 235, 349, 435, 914, 136, 476,
                                 562, 653, 497, 338, 58, 63, 716, 187, 48],
                                [530, 480, 937, 218, 277, 678, 434, 266, 334,
                                 95, 270, 449, 631, 192, 309, 389, 564, 924],
                                [279, 697, 22, 866, 170, 218, 584, 387, 992,
                                 727, 188, 755, 564, 367, 27, 250, 250, 999],
                                [561, 200, 392, 765, 31, 517, 431, 463, 28, 376,
                                 49, 428, 336, 994, 311, 814, 27, 288],
                                [928, 846, 706, 704, 835, 565, 752, 294, 404,
                                 519, 269, 311, 38, 914, 216, 74, 364, 83],
                                [415, 30, 240, 897, 143, 567, 250, 27, 872, 101,
                                 345, 1000, 12, 47, 485, 188, 675, 861],
                                [837, 586, 441, 706, 658, 312, 12, 823, 414,
                                 485, 975, 621, 788, 912, 923, 260, 611, 863],
                                [299, 973, 177, 461, 147, 265, 732, 9, 521, 211,
                                 73, 300, 919, 316, 839, 956, 164, 950],
                                [289, 604, 206, 623, 94, 84, 544, 200, 955, 230,
                                 186, 194, 852, 47, 586, 687, 559, 809],
                                [139, 266, 610, 674, 20, 856, 866, 721, 224, 61,
                                 754, 599, 97, 827, 934, 724, 207, 281],
                                [59, 42, 40, 155, 346, 392, 602, 768, 428, 104,
                                 285, 74, 913, 885, 258, 79, 366, 114],
                                [205, 16, 543, 155, 384, 415, 64, 375, 841, 387,
                                 922, 909, 489, 846, 666, 378, 933, 908],
                                [389, 178, 394, 265, 728, 108, 599, 398, 569,
                                 480, 159, 635, 255, 421, 260, 230, 855, 267],
                                [767, 767, 591, 319, 141, 136, 915, 262, 723,
                                 932, 887, 891, 417, 101, 415, 178, 369, 179]]),
                         [58, 407, 6, 598, 246, 664, 722, 382, 779, 444, 939,
                          572, 998, 857, 973, 783, 332, 192, 65, 672, 672, 48,
                          924, 999, 288, 83, 861, 863, 950, 809, 281, 114, 908,
                          267, 179, 369, 178, 415, 101, 417, 891, 887, 932, 723,
                          262, 915, 136, 141, 319, 591, 767, 767, 389, 205, 59,
                          139, 289, 299, 837, 415, 928, 561, 279, 530, 718, 43,
                          126, 664, 600, 824, 153, 433, 187, 978, 637, 740, 427,
                          135, 816, 393, 522, 351, 940, 896, 730, 934, 187, 564,
                          250, 27, 364, 675, 611, 164, 559, 207, 366, 933, 855,
                          230, 260, 421, 255, 635, 159, 480, 569, 398, 599, 108,
                          728, 265, 394, 178, 16, 42, 266, 604, 973, 586, 30,
                          846, 200, 697, 480, 635, 467, 399, 993, 472, 941, 3,
                          717, 884, 803, 688, 203, 219, 414, 589, 972, 999, 909,
                          716, 389, 250, 814, 74, 188, 260, 956, 687, 724, 79,
                          378, 666, 846, 489, 909, 922, 387, 841, 375, 64, 415,
                          384, 155, 543, 40, 610, 206, 177, 441, 240, 706, 392,
                          22, 937, 676, 608, 228, 380, 252, 318, 177, 251, 657,
                          281, 509, 714, 14, 49, 63, 309, 27, 311, 216, 485,
                          923, 839, 586, 934, 258, 885, 913, 74, 285, 104, 428,
                          768, 602, 392, 346, 155, 674, 623, 461, 706, 897, 704,
                          765, 866, 218, 235, 349, 435, 914, 136, 476, 562, 653,
                          497, 338, 58, 192, 367, 994, 914, 47, 912, 316, 47,
                          827, 97, 599, 754, 61, 224, 721, 866, 856, 20, 94,
                          147, 658, 143, 835, 31, 170, 277, 678, 434, 266, 334,
                          95, 270, 449, 631, 564, 336, 38, 12, 788, 919, 852,
                          194, 186, 230, 955, 200, 544, 84, 265, 312, 567, 565,
                          517, 218, 584, 387, 992, 727, 188, 755, 428, 311,
                          1000, 621, 300, 73, 211, 521, 9, 732, 12, 250, 752,
                          431, 463, 28, 376, 49, 269, 345, 975, 485, 414, 823,
                          27, 294, 404, 519, 101, 872])
    
    def test_snail_056(self):
        self.assertEqual(snail([[990, 568, 232, 648, 150, 961, 543, 323, 970,
                                 480, 247, 655, 234, 766],
                                [445, 283, 695, 616, 307, 693, 516, 267, 772,
                                 614, 375, 354, 874, 139],
                                [56, 886, 202, 95, 850, 689, 279, 633, 473, 300,
                                 210, 950, 264, 392],
                                [656, 90, 399, 263, 200, 764, 793, 125, 644,
                                 341, 1, 41, 315, 577],
                                [703, 868, 597, 797, 445, 159, 899, 961, 421,
                                 400, 865, 37, 475, 501],
                                [554, 14, 369, 351, 506, 615, 921, 242, 972,
                                 625, 402, 906, 693, 251],
                                [727, 518, 523, 314, 40, 458, 338, 814, 508,
                                 135, 515, 151, 288, 433],
                                [456, 696, 183, 605, 963, 882, 243, 721, 924,
                                 276, 244, 341, 592, 746],
                                [275, 799, 613, 400, 259, 241, 12, 991, 844, 51,
                                 532, 893, 933, 357],
                                [649, 500, 240, 430, 276, 488, 583, 197, 11,
                                 646, 285, 552, 812, 520],
                                [654, 829, 189, 560, 146, 26, 397, 206, 605, 64,
                                 132, 791, 264, 469],
                                [823, 419, 690, 389, 997, 854, 416, 97, 267,
                                 499, 383, 250, 856, 510],
                                [863, 725, 195, 653, 568, 668, 761, 598, 379,
                                 810, 674, 535, 350, 215],
                                [880, 492, 584, 822, 260, 81, 726, 737, 166,
                                 379, 347, 66, 990, 381]]),
                         [990, 568, 232, 648, 150, 961, 543, 323, 970, 480, 247,
                          655, 234, 766, 139, 392, 577, 501, 251, 433, 746, 357,
                          520, 469, 510, 215, 381, 990, 66, 347, 379, 166, 737,
                          726, 81, 260, 822, 584, 492, 880, 863, 823, 654, 649,
                          275, 456, 727, 554, 703, 656, 56, 445, 283, 695, 616,
                          307, 693, 516, 267, 772, 614, 375, 354, 874, 264, 315,
                          475, 693, 288, 592, 933, 812, 264, 856, 350, 535, 674,
                          810, 379, 598, 761, 668, 568, 653, 195, 725, 419, 829,
                          500, 799, 696, 518, 14, 868, 90, 886, 202, 95, 850,
                          689, 279, 633, 473, 300, 210, 950, 41, 37, 906, 151,
                          341, 893, 552, 791, 250, 383, 499, 267, 97, 416, 854,
                          997, 389, 690, 189, 240, 613, 183, 523, 369, 597, 399,
                          263, 200, 764, 793, 125, 644, 341, 1, 865, 402, 515,
                          244, 532, 285, 132, 64, 605, 206, 397, 26, 146, 560,
                          430, 400, 605, 314, 351, 797, 445, 159, 899, 961, 421,
                          400, 625, 135, 276, 51, 646, 11, 197, 583, 488, 276,
                          259, 963, 40, 506, 615, 921, 242, 972, 508, 924, 844,
                          991, 12, 241, 882, 458, 338, 814, 721, 243])
    
    def test_snail_057(self):
        self.assertEqual(snail([[40, 406, 36, 505, 634, 102, 702, 130],
                                [441, 809, 470, 914, 796, 852, 306, 978],
                                [919, 501, 158, 558, 536, 141, 229, 678],
                                [841, 688, 115, 374, 638, 735, 687, 358],
                                [432, 204, 983, 343, 5, 717, 999, 912],
                                [380, 253, 737, 263, 790, 515, 817, 270],
                                [298, 335, 347, 644, 356, 931, 594, 954],
                                [977, 832, 618, 875, 547, 995, 47, 183]]),
                         [40, 406, 36, 505, 634, 102, 702, 130, 978, 678, 358,
                          912, 270, 954, 183, 47, 995, 547, 875, 618, 832, 977,
                          298, 380, 432, 841, 919, 441, 809, 470, 914, 796, 852,
                          306, 229, 687, 999, 817, 594, 931, 356, 644, 347, 335,
                          253, 204, 688, 501, 158, 558, 536, 141, 735, 717, 515,
                          790, 263, 737, 983, 115, 374, 638, 5, 343])
    
    def test_snail_058(self):
        self.assertEqual(
            snail([[935, 756, 641], [827, 444, 751], [166, 61, 775]]),
            [935, 756, 641, 751, 775, 61, 166, 827, 444])
    
    def test_snail_059(self):
        self.assertEqual(snail([[21, 182], [507, 380]]), [21, 182, 380, 507])
    
    def test_snail_060(self):
        self.assertEqual(snail(
                [[535, 230, 195, 719, 377], [95, 348, 60, 911, 645],
                 [654, 459, 570, 244, 205], [728, 622, 509, 484, 25],
                 [253, 883, 275, 80, 276]]),
                         [535, 230, 195, 719, 377, 645, 205, 25, 276, 80, 275,
                          883, 253, 728, 654, 95, 348, 60, 911, 244, 484, 509,
                          622, 459, 570])
    
    def test_snail_061(self):
        self.assertEqual(snail([[785, 961, 393, 614, 388, 455, 610, 908, 516,
                                 364, 872, 655, 842, 764, 246],
                                [747, 313, 906, 923, 915, 201, 951, 533, 862,
                                 575, 735, 729, 14, 730, 25],
                                [170, 790, 377, 815, 635, 93, 45, 31, 555, 762,
                                 119, 935, 885, 180, 891],
                                [806, 414, 178, 167, 636, 597, 562, 768, 302,
                                 74, 481, 549, 962, 118, 40],
                                [742, 767, 826, 738, 501, 914, 693, 644, 409,
                                 81, 185, 361, 197, 649, 124],
                                [232, 878, 30, 498, 260, 724, 650, 544, 388,
                                 384, 2, 159, 714, 198, 532],
                                [375, 157, 579, 641, 683, 263, 576, 500, 177,
                                 402, 659, 489, 438, 839, 314],
                                [834, 355, 434, 66, 333, 91, 207, 2, 651, 340,
                                 505, 175, 443, 446, 740],
                                [688, 517, 275, 811, 515, 461, 833, 811, 849,
                                 406, 79, 631, 431, 108, 122],
                                [252, 712, 973, 15, 536, 36, 55, 901, 503, 701,
                                 520, 690, 918, 759, 217],
                                [350, 784, 946, 63, 801, 911, 233, 411, 116,
                                 355, 973, 352, 784, 50, 352],
                                [242, 23, 728, 771, 881, 975, 565, 498, 405,
                                 694, 441, 621, 741, 586, 48],
                                [551, 928, 529, 150, 280, 388, 741, 717, 699,
                                 211, 677, 512, 900, 416, 689],
                                [404, 225, 869, 308, 827, 93, 424, 276, 775,
                                 180, 569, 51, 710, 847, 792],
                                [771, 527, 737, 805, 705, 766, 900, 757, 994,
                                 640, 335, 733, 588, 921, 265]]),
                         [785, 961, 393, 614, 388, 455, 610, 908, 516, 364, 872,
                          655, 842, 764, 246, 25, 891, 40, 124, 532, 314, 740,
                          122, 217, 352, 48, 689, 792, 265, 921, 588, 733, 335,
                          640, 994, 757, 900, 766, 705, 805, 737, 527, 771, 404,
                          551, 242, 350, 252, 688, 834, 375, 232, 742, 806, 170,
                          747, 313, 906, 923, 915, 201, 951, 533, 862, 575, 735,
                          729, 14, 730, 180, 118, 649, 198, 839, 446, 108, 759,
                          50, 586, 416, 847, 710, 51, 569, 180, 775, 276, 424,
                          93, 827, 308, 869, 225, 928, 23, 784, 712, 517, 355,
                          157, 878, 767, 414, 790, 377, 815, 635, 93, 45, 31,
                          555, 762, 119, 935, 885, 962, 197, 714, 438, 443, 431,
                          918, 784, 741, 900, 512, 677, 211, 699, 717, 741, 388,
                          280, 150, 529, 728, 946, 973, 275, 434, 579, 30, 826,
                          178, 167, 636, 597, 562, 768, 302, 74, 481, 549, 361,
                          159, 489, 175, 631, 690, 352, 621, 441, 694, 405, 498,
                          565, 975, 881, 771, 63, 15, 811, 66, 641, 498, 738,
                          501, 914, 693, 644, 409, 81, 185, 2, 659, 505, 79,
                          520, 973, 355, 116, 411, 233, 911, 801, 536, 515, 333,
                          683, 260, 724, 650, 544, 388, 384, 402, 340, 406, 701,
                          503, 901, 55, 36, 461, 91, 263, 576, 500, 177, 651,
                          849, 811, 833, 207, 2])
    
    def test_snail_062(self):
        self.assertEqual(snail([[353, 85, 930, 216], [626, 576, 495, 991],
                                [581, 192, 891, 709], [350, 925, 349, 502]]),
                         [353, 85, 930, 216, 991, 709, 502, 349, 925, 350, 581,
                          626, 576, 495, 891, 192])
    
    def test_snail_063(self):
        self.assertEqual(snail([[540]]), [540])
    
    def test_snail_064(self):
        self.assertEqual(snail(
                [[323, 110, 157, 740, 114, 704, 774, 106, 268, 508, 566, 474],
                 [399, 944, 938, 434, 715, 475, 929, 705, 940, 246, 787, 528],
                 [807, 311, 393, 557, 372, 756, 260, 12, 811, 4, 368, 282],
                 [618, 918, 279, 23, 755, 16, 141, 214, 837, 333, 916, 937],
                 [353, 304, 904, 659, 345, 217, 882, 563, 845, 34, 318, 763],
                 [420, 645, 620, 910, 271, 243, 705, 909, 841, 907, 954, 745],
                 [114, 445, 310, 574, 25, 779, 262, 381, 319, 231, 460, 811],
                 [768, 163, 698, 307, 647, 712, 617, 700, 549, 215, 645, 839],
                 [779, 475, 357, 508, 819, 672, 250, 228, 602, 747, 734, 598],
                 [217, 834, 271, 442, 745, 526, 141, 571, 331, 715, 937, 24],
                 [159, 231, 655, 435, 450, 532, 913, 91, 527, 105, 40, 294],
                 [654, 903, 196, 676, 451, 502, 602, 539, 429, 795, 646, 117]]),
                         [323, 110, 157, 740, 114, 704, 774, 106, 268, 508, 566,
                          474, 528, 282, 937, 763, 745, 811, 839, 598, 24, 294,
                          117, 646, 795, 429, 539, 602, 502, 451, 676, 196, 903,
                          654, 159, 217, 779, 768, 114, 420, 353, 618, 807, 399,
                          944, 938, 434, 715, 475, 929, 705, 940, 246, 787, 368,
                          916, 318, 954, 460, 645, 734, 937, 40, 105, 527, 91,
                          913, 532, 450, 435, 655, 231, 834, 475, 163, 445, 645,
                          304, 918, 311, 393, 557, 372, 756, 260, 12, 811, 4,
                          333, 34, 907, 231, 215, 747, 715, 331, 571, 141, 526,
                          745, 442, 271, 357, 698, 310, 620, 904, 279, 23, 755,
                          16, 141, 214, 837, 845, 841, 319, 549, 602, 228, 250,
                          672, 819, 508, 307, 574, 910, 659, 345, 217, 882, 563,
                          909, 381, 700, 617, 712, 647, 25, 271, 243, 705, 262,
                          779])
    
    def test_snail_065(self):
        self.assertEqual(snail([[986, 240, 922, 622, 119, 802, 582, 105, 664,
                                 791, 735, 699, 470, 252, 698, 185, 108, 345,
                                 492, 923],
                                [240, 476, 677, 30, 653, 350, 500, 837, 871,
                                 723, 277, 232, 913, 969, 363, 209, 806, 50,
                                 395, 85],
                                [685, 728, 491, 175, 714, 445, 721, 940, 935,
                                 357, 321, 462, 884, 97, 210, 183, 804, 892,
                                 424, 518],
                                [43, 751, 907, 556, 279, 812, 613, 69, 915, 20,
                                 19, 446, 737, 739, 400, 713, 203, 94, 294,
                                 335],
                                [48, 183, 597, 479, 293, 803, 657, 501, 358,
                                 165, 14, 999, 153, 35, 638, 561, 25, 565, 891,
                                 543],
                                [918, 781, 555, 285, 954, 969, 636, 883, 200,
                                 883, 426, 521, 528, 495, 964, 773, 799, 545,
                                 116, 512],
                                [279, 668, 405, 945, 213, 573, 712, 99, 713,
                                 688, 492, 589, 177, 718, 651, 252, 843, 376,
                                 657, 428],
                                [332, 282, 54, 321, 724, 679, 50, 698, 727, 252,
                                 661, 306, 790, 269, 958, 673, 742, 806, 310,
                                 568],
                                [785, 236, 107, 886, 498, 650, 569, 967, 185,
                                 57, 448, 25, 101, 787, 194, 464, 508, 925, 944,
                                 531],
                                [141, 283, 763, 387, 423, 348, 93, 286, 448, 71,
                                 745, 231, 949, 228, 838, 717, 673, 24, 42,
                                 634],
                                [861, 730, 300, 615, 603, 945, 225, 319, 418,
                                 919, 514, 27, 884, 628, 229, 87, 193, 140, 692,
                                 508],
                                [568, 394, 305, 601, 237, 948, 275, 480, 33,
                                 277, 821, 38, 313, 236, 216, 27, 650, 972, 284,
                                 554],
                                [613, 892, 806, 441, 975, 777, 615, 741, 534,
                                 43, 203, 991, 405, 302, 447, 313, 800, 345, 54,
                                 670],
                                [689, 699, 296, 498, 793, 199, 282, 489, 224,
                                 839, 870, 409, 686, 935, 196, 2, 755, 257, 246,
                                 712],
                                [328, 236, 205, 980, 365, 90, 865, 401, 528,
                                 368, 802, 971, 48, 218, 30, 655, 308, 690, 285,
                                 387],
                                [215, 929, 894, 328, 40, 718, 33, 112, 729, 609,
                                 598, 956, 838, 252, 727, 798, 486, 797, 65,
                                 758],
                                [162, 746, 960, 376, 695, 473, 664, 960, 948,
                                 375, 354, 980, 614, 540, 300, 538, 822, 816,
                                 117, 371],
                                [343, 801, 497, 285, 121, 244, 913, 709, 271,
                                 252, 301, 557, 115, 678, 161, 389, 169, 38,
                                 765, 240],
                                [815, 108, 350, 304, 736, 991, 769, 383, 399,
                                 621, 397, 798, 382, 738, 344, 280, 479, 255,
                                 398, 280],
                                [411, 702, 791, 603, 849, 743, 594, 468, 396,
                                 752, 297, 515, 426, 426, 806, 385, 878, 815,
                                 840, 50]]),
                         [986, 240, 922, 622, 119, 802, 582, 105, 664, 791, 735,
                          699, 470, 252, 698, 185, 108, 345, 492, 923, 85, 518,
                          335, 543, 512, 428, 568, 531, 634, 508, 554, 670, 712,
                          387, 758, 371, 240, 280, 50, 840, 815, 878, 385, 806,
                          426, 426, 515, 297, 752, 396, 468, 594, 743, 849, 603,
                          791, 702, 411, 815, 343, 162, 215, 328, 689, 613, 568,
                          861, 141, 785, 332, 279, 918, 48, 43, 685, 240, 476,
                          677, 30, 653, 350, 500, 837, 871, 723, 277, 232, 913,
                          969, 363, 209, 806, 50, 395, 424, 294, 891, 116, 657,
                          310, 944, 42, 692, 284, 54, 246, 285, 65, 117, 765,
                          398, 255, 479, 280, 344, 738, 382, 798, 397, 621, 399,
                          383, 769, 991, 736, 304, 350, 108, 801, 746, 929, 236,
                          699, 892, 394, 730, 283, 236, 282, 668, 781, 183, 751,
                          728, 491, 175, 714, 445, 721, 940, 935, 357, 321, 462,
                          884, 97, 210, 183, 804, 892, 94, 565, 545, 376, 806,
                          925, 24, 140, 972, 345, 257, 690, 797, 816, 38, 169,
                          389, 161, 678, 115, 557, 301, 252, 271, 709, 913, 244,
                          121, 285, 497, 960, 894, 205, 296, 806, 305, 300, 763,
                          107, 54, 405, 555, 597, 907, 556, 279, 812, 613, 69,
                          915, 20, 19, 446, 737, 739, 400, 713, 203, 25, 799,
                          843, 742, 508, 673, 193, 650, 800, 755, 308, 486, 822,
                          538, 300, 540, 614, 980, 354, 375, 948, 960, 664, 473,
                          695, 376, 328, 980, 498, 441, 601, 615, 387, 886, 321,
                          945, 285, 479, 293, 803, 657, 501, 358, 165, 14, 999,
                          153, 35, 638, 561, 773, 252, 673, 464, 717, 87, 27,
                          313, 2, 655, 798, 727, 252, 838, 956, 598, 609, 729,
                          112, 33, 718, 40, 365, 793, 975, 237, 603, 423, 498,
                          724, 213, 954, 969, 636, 883, 200, 883, 426, 521, 528,
                          495, 964, 651, 958, 194, 838, 229, 216, 447, 196, 30,
                          218, 48, 971, 802, 368, 528, 401, 865, 90, 199, 777,
                          948, 945, 348, 650, 679, 573, 712, 99, 713, 688, 492,
                          589, 177, 718, 269, 787, 228, 628, 236, 302, 935, 686,
                          409, 870, 839, 224, 489, 282, 615, 275, 225, 93, 569,
                          50, 698, 727, 252, 661, 306, 790, 101, 949, 884, 313,
                          405, 991, 203, 43, 534, 741, 480, 319, 286, 967, 185,
                          57, 448, 25, 231, 27, 38, 821, 277, 33, 418, 448, 71,
                          745, 514, 919])
    
    def test_snail_066(self):
        self.assertEqual(snail([[779, 390, 935, 443, 441, 932, 526, 627, 761,
                                 633, 708, 770, 21, 872],
                                [754, 424, 961, 78, 264, 512, 496, 963, 781, 96,
                                 127, 102, 443, 432],
                                [462, 403, 123, 808, 836, 958, 574, 126, 686,
                                 524, 508, 557, 61, 901],
                                [6, 257, 831, 713, 790, 660, 2, 775, 268, 337,
                                 75, 804, 357, 961],
                                [604, 802, 2, 87, 101, 475, 192, 722, 345, 173,
                                 926, 171, 170, 293],
                                [12, 776, 242, 639, 641, 929, 898, 119, 5, 501,
                                 358, 518, 440, 395],
                                [635, 821, 94, 345, 146, 460, 246, 555, 618,
                                 331, 959, 907, 717, 521],
                                [669, 178, 275, 457, 549, 963, 216, 69, 228,
                                 722, 444, 914, 58, 643],
                                [826, 947, 674, 252, 707, 10, 968, 492, 418,
                                 191, 393, 595, 278, 540],
                                [797, 490, 818, 461, 131, 884, 421, 935, 299,
                                 970, 715, 75, 516, 507],
                                [546, 784, 474, 248, 573, 366, 638, 696, 927,
                                 892, 508, 311, 606, 632],
                                [846, 536, 776, 553, 586, 170, 327, 24, 828,
                                 282, 927, 787, 202, 550],
                                [739, 628, 146, 910, 843, 244, 23, 430, 521,
                                 810, 923, 467, 875, 938],
                                [222, 359, 852, 608, 514, 865, 674, 391, 344,
                                 161, 69, 418, 188, 375]]),
                         [779, 390, 935, 443, 441, 932, 526, 627, 761, 633, 708,
                          770, 21, 872, 432, 901, 961, 293, 395, 521, 643, 540,
                          507, 632, 550, 938, 375, 188, 418, 69, 161, 344, 391,
                          674, 865, 514, 608, 852, 359, 222, 739, 846, 546, 797,
                          826, 669, 635, 12, 604, 6, 462, 754, 424, 961, 78,
                          264, 512, 496, 963, 781, 96, 127, 102, 443, 61, 357,
                          170, 440, 717, 58, 278, 516, 606, 202, 875, 467, 923,
                          810, 521, 430, 23, 244, 843, 910, 146, 628, 536, 784,
                          490, 947, 178, 821, 776, 802, 257, 403, 123, 808, 836,
                          958, 574, 126, 686, 524, 508, 557, 804, 171, 518, 907,
                          914, 595, 75, 311, 787, 927, 282, 828, 24, 327, 170,
                          586, 553, 776, 474, 818, 674, 275, 94, 242, 2, 831,
                          713, 790, 660, 2, 775, 268, 337, 75, 926, 358, 959,
                          444, 393, 715, 508, 892, 927, 696, 638, 366, 573, 248,
                          461, 252, 457, 345, 639, 87, 101, 475, 192, 722, 345,
                          173, 501, 331, 722, 191, 970, 299, 935, 421, 884, 131,
                          707, 549, 146, 641, 929, 898, 119, 5, 618, 228, 418,
                          492, 968, 10, 963, 460, 246, 555, 69, 216])
    
    def test_snail_067(self):
        self.assertEqual(snail(
                [[771, 906, 164, 502, 151], [560, 297, 260, 485, 632],
                 [3, 884, 664, 507, 325], [639, 813, 354, 560, 226],
                 [274, 555, 978, 288, 756]]),
                         [771, 906, 164, 502, 151, 632, 325, 226, 756, 288, 978,
                          555, 274, 639, 3, 560, 297, 260, 485, 507, 560, 354,
                          813, 884, 664])
    
    def test_snail_068(self):
        self.assertEqual(snail(
                [[254, 173, 160, 399, 691, 434], [849, 456, 758, 273, 917, 347],
                 [653, 544, 515, 483, 827, 638], [145, 862, 862, 170, 518, 727],
                 [702, 527, 461, 204, 727, 749], [478, 342, 652, 960, 6, 699]]),
                         [254, 173, 160, 399, 691, 434, 347, 638, 727, 749, 699,
                          6, 960, 652, 342, 478, 702, 145, 653, 849, 456, 758,
                          273, 917, 827, 518, 727, 204, 461, 527, 862, 544, 515,
                          483, 170, 862])
    
    def test_snail_069(self):
        self.assertEqual(snail(
                [[226, 704, 457, 816, 131, 280], [360, 476, 612, 26, 934, 390],
                 [456, 641, 669, 251, 211, 954], [152, 516, 380, 865, 617, 824],
                 [887, 422, 509, 185, 322, 688],
                 [593, 21, 364, 475, 965, 533]]),
                         [226, 704, 457, 816, 131, 280, 390, 954, 824, 688, 533,
                          965, 475, 364, 21, 593, 887, 152, 456, 360, 476, 612,
                          26, 934, 211, 617, 322, 185, 509, 422, 516, 641, 669,
                          251, 865, 380])
    
    def test_snail_070(self):
        self.assertEqual(snail([[721, 438], [320, 489]]), [721, 438, 489, 320])
    
    def test_snail_071(self):
        self.assertEqual(snail(
                [[27, 894, 555, 256, 430, 208], [554, 476, 381, 291, 303, 274],
                 [129, 801, 899, 605, 365, 252], [764, 675, 459, 554, 426, 85],
                 [816, 231, 149, 674, 303, 499],
                 [305, 116, 340, 865, 168, 954]]),
                         [27, 894, 555, 256, 430, 208, 274, 252, 85, 499, 954,
                          168, 865, 340, 116, 305, 816, 764, 129, 554, 476, 381,
                          291, 303, 365, 426, 303, 674, 149, 231, 675, 801, 899,
                          605, 554, 459])
    
    def test_snail_072(self):
        self.assertEqual(snail([[572, 40, 328, 370, 500, 359, 678, 378, 538,
                                 858, 934, 597, 558, 719, 33, 895, 744, 664,
                                 144, 942],
                                [866, 855, 310, 833, 63, 797, 898, 803, 651,
                                 882, 732, 735, 675, 3, 262, 223, 173, 342, 85,
                                 611],
                                [899, 287, 100, 560, 479, 542, 148, 688, 447,
                                 575, 738, 640, 312, 25, 231, 757, 683, 260,
                                 858, 346],
                                [1000, 625, 581, 457, 792, 537, 711, 735, 189,
                                 665, 68, 774, 132, 208, 510, 10, 797, 727, 525,
                                 799],
                                [465, 650, 818, 258, 110, 531, 816, 811, 259,
                                 429, 56, 497, 701, 350, 938, 112, 318, 260, 88,
                                 597],
                                [505, 112, 776, 421, 332, 521, 824, 55, 871,
                                 114, 715, 725, 882, 579, 481, 425, 59, 382,
                                 959, 807],
                                [258, 37, 320, 581, 567, 950, 77, 948, 540, 28,
                                 560, 911, 307, 508, 163, 679, 687, 37, 246,
                                 838],
                                [782, 59, 179, 588, 996, 675, 37, 425, 607, 688,
                                 629, 34, 975, 885, 188, 852, 343, 841, 952,
                                 103],
                                [432, 454, 425, 198, 425, 305, 909, 997, 263,
                                 813, 666, 922, 619, 942, 262, 386, 730, 197,
                                 664, 643],
                                [536, 668, 164, 476, 477, 667, 875, 990, 655,
                                 985, 824, 684, 263, 111, 82, 828, 657, 131,
                                 819, 210],
                                [943, 974, 501, 727, 825, 510, 913, 133, 947,
                                 301, 117, 283, 952, 643, 787, 24, 345, 104,
                                 323, 525],
                                [461, 589, 200, 794, 521, 39, 167, 52, 836, 477,
                                 437, 507, 264, 717, 663, 347, 623, 669, 262,
                                 34],
                                [370, 556, 920, 122, 82, 952, 628, 124, 245, 87,
                                 213, 238, 792, 388, 47, 531, 918, 634, 368,
                                 312],
                                [635, 472, 7, 883, 622, 910, 757, 959, 318, 933,
                                 887, 877, 242, 418, 571, 610, 671, 745, 303,
                                 14],
                                [128, 96, 532, 485, 66, 665, 373, 829, 848, 850,
                                 124, 732, 618, 724, 34, 686, 851, 832, 407,
                                 75],
                                [38, 836, 222, 635, 388, 936, 793, 187, 803,
                                 227, 561, 481, 635, 9, 437, 922, 86, 272, 439,
                                 452],
                                [303, 667, 784, 818, 908, 142, 768, 342, 350,
                                 959, 210, 494, 592, 918, 494, 108, 795, 617,
                                 169, 142],
                                [344, 618, 79, 320, 667, 726, 960, 900, 525,
                                 776, 549, 292, 938, 390, 975, 423, 555, 963,
                                 965, 440],
                                [220, 497, 705, 449, 161, 225, 73, 164, 796,
                                 438, 978, 623, 304, 917, 584, 118, 700, 222,
                                 476, 825],
                                [896, 392, 14, 489, 226, 742, 932, 303, 767,
                                 487, 859, 637, 327, 399, 804, 304, 922, 119,
                                 687, 755]]),
                         [572, 40, 328, 370, 500, 359, 678, 378, 538, 858, 934,
                          597, 558, 719, 33, 895, 744, 664, 144, 942, 611, 346,
                          799, 597, 807, 838, 103, 643, 210, 525, 34, 312, 14,
                          75, 452, 142, 440, 825, 755, 687, 119, 922, 304, 804,
                          399, 327, 637, 859, 487, 767, 303, 932, 742, 226, 489,
                          14, 392, 896, 220, 344, 303, 38, 128, 635, 370, 461,
                          943, 536, 432, 782, 258, 505, 465, 1000, 899, 866,
                          855, 310, 833, 63, 797, 898, 803, 651, 882, 732, 735,
                          675, 3, 262, 223, 173, 342, 85, 858, 525, 88, 959,
                          246, 952, 664, 819, 323, 262, 368, 303, 407, 439, 169,
                          965, 476, 222, 700, 118, 584, 917, 304, 623, 978, 438,
                          796, 164, 73, 225, 161, 449, 705, 497, 618, 667, 836,
                          96, 472, 556, 589, 974, 668, 454, 59, 37, 112, 650,
                          625, 287, 100, 560, 479, 542, 148, 688, 447, 575, 738,
                          640, 312, 25, 231, 757, 683, 260, 727, 260, 382, 37,
                          841, 197, 131, 104, 669, 634, 745, 832, 272, 617, 963,
                          555, 423, 975, 390, 938, 292, 549, 776, 525, 900, 960,
                          726, 667, 320, 79, 784, 222, 532, 7, 920, 200, 501,
                          164, 425, 179, 320, 776, 818, 581, 457, 792, 537, 711,
                          735, 189, 665, 68, 774, 132, 208, 510, 10, 797, 318,
                          59, 687, 343, 730, 657, 345, 623, 918, 671, 851, 86,
                          795, 108, 494, 918, 592, 494, 210, 959, 350, 342, 768,
                          142, 908, 818, 635, 485, 883, 122, 794, 727, 476, 198,
                          588, 581, 421, 258, 110, 531, 816, 811, 259, 429, 56,
                          497, 701, 350, 938, 112, 425, 679, 852, 386, 828, 24,
                          347, 531, 610, 686, 922, 437, 9, 635, 481, 561, 227,
                          803, 187, 793, 936, 388, 66, 622, 82, 521, 825, 477,
                          425, 996, 567, 332, 521, 824, 55, 871, 114, 715, 725,
                          882, 579, 481, 163, 188, 262, 82, 787, 663, 47, 571,
                          34, 724, 618, 732, 124, 850, 848, 829, 373, 665, 910,
                          952, 39, 510, 667, 305, 675, 950, 77, 948, 540, 28,
                          560, 911, 307, 508, 885, 942, 111, 643, 717, 388, 418,
                          242, 877, 887, 933, 318, 959, 757, 628, 167, 913, 875,
                          909, 37, 425, 607, 688, 629, 34, 975, 619, 263, 952,
                          264, 792, 238, 213, 87, 245, 124, 52, 133, 990, 997,
                          263, 813, 666, 922, 684, 283, 507, 437, 477, 836, 947,
                          655, 985, 824, 117, 301])
    
    def test_snail_073(self):
        self.assertEqual(snail([[785, 373, 215, 440], [948, 869, 882, 65],
                                [236, 227, 508, 450], [46, 69, 45, 237]]),
                         [785, 373, 215, 440, 65, 450, 237, 45, 69, 46, 236,
                          948, 869, 882, 508, 227])
    
    def test_snail_074(self):
        self.assertEqual(snail([[319, 115, 440, 26, 579, 418, 402, 165, 517,
                                 784, 878, 694, 93, 128, 44],
                                [852, 607, 878, 871, 517, 532, 992, 374, 11, 98,
                                 518, 711, 147, 227, 506],
                                [201, 469, 258, 872, 604, 990, 830, 450, 143,
                                 19, 552, 694, 210, 758, 103],
                                [716, 320, 227, 464, 249, 476, 868, 589, 739,
                                 445, 2, 718, 961, 95, 220],
                                [928, 536, 957, 213, 258, 403, 998, 925, 940,
                                 860, 860, 119, 145, 74, 928],
                                [516, 421, 697, 192, 26, 251, 294, 643, 476,
                                 959, 442, 826, 31, 582, 629],
                                [542, 446, 841, 808, 696, 30, 179, 795, 269,
                                 917, 643, 306, 284, 20, 840],
                                [513, 218, 830, 912, 862, 388, 741, 525, 630,
                                 405, 631, 383, 531, 318, 426],
                                [434, 565, 697, 621, 308, 675, 252, 683, 842,
                                 26, 133, 402, 692, 674, 531],
                                [351, 597, 455, 57, 498, 523, 349, 688, 114,
                                 881, 103, 692, 829, 40, 375],
                                [630, 400, 244, 600, 467, 618, 505, 435, 821,
                                 670, 896, 248, 743, 83, 784],
                                [349, 703, 796, 713, 477, 203, 15, 468, 921,
                                 837, 517, 134, 641, 899, 504],
                                [690, 699, 610, 990, 139, 296, 914, 196, 333,
                                 876, 29, 979, 869, 355, 472],
                                [187, 787, 932, 687, 662, 625, 759, 371, 438,
                                 893, 838, 876, 442, 442, 697],
                                [454, 871, 70, 541, 598, 597, 402, 472, 327,
                                 160, 913, 735, 518, 770, 635]]),
                         [319, 115, 440, 26, 579, 418, 402, 165, 517, 784, 878,
                          694, 93, 128, 44, 506, 103, 220, 928, 629, 840, 426,
                          531, 375, 784, 504, 472, 697, 635, 770, 518, 735, 913,
                          160, 327, 472, 402, 597, 598, 541, 70, 871, 454, 187,
                          690, 349, 630, 351, 434, 513, 542, 516, 928, 716, 201,
                          852, 607, 878, 871, 517, 532, 992, 374, 11, 98, 518,
                          711, 147, 227, 758, 95, 74, 582, 20, 318, 674, 40, 83,
                          899, 355, 442, 442, 876, 838, 893, 438, 371, 759, 625,
                          662, 687, 932, 787, 699, 703, 400, 597, 565, 218, 446,
                          421, 536, 320, 469, 258, 872, 604, 990, 830, 450, 143,
                          19, 552, 694, 210, 961, 145, 31, 284, 531, 692, 829,
                          743, 641, 869, 979, 29, 876, 333, 196, 914, 296, 139,
                          990, 610, 796, 244, 455, 697, 830, 841, 697, 957, 227,
                          464, 249, 476, 868, 589, 739, 445, 2, 718, 119, 826,
                          306, 383, 402, 692, 248, 134, 517, 837, 921, 468, 15,
                          203, 477, 713, 600, 57, 621, 912, 808, 192, 213, 258,
                          403, 998, 925, 940, 860, 860, 442, 643, 631, 133, 103,
                          896, 670, 821, 435, 505, 618, 467, 498, 308, 862, 696,
                          26, 251, 294, 643, 476, 959, 917, 405, 26, 881, 114,
                          688, 349, 523, 675, 388, 30, 179, 795, 269, 630, 842,
                          683, 252, 741, 525])
    
    def test_snail_075(self):
        self.assertEqual(snail([[117, 708, 570, 27, 409, 596, 355, 42, 480],
                                [874, 320, 499, 489, 767, 179, 912, 813, 855],
                                [929, 737, 403, 431, 219, 710, 107, 450, 61],
                                [860, 446, 119, 88, 448, 553, 833, 293, 803],
                                [868, 141, 930, 398, 882, 135, 585, 348, 890],
                                [506, 859, 833, 31, 808, 663, 384, 341, 457],
                                [864, 183, 143, 954, 427, 680, 940, 411, 585],
                                [995, 374, 784, 568, 200, 777, 468, 69, 902],
                                [206, 588, 712, 813, 721, 746, 11, 284, 45]]),
                         [117, 708, 570, 27, 409, 596, 355, 42, 480, 855, 61,
                          803, 890, 457, 585, 902, 45, 284, 11, 746, 721, 813,
                          712, 588, 206, 995, 864, 506, 868, 860, 929, 874, 320,
                          499, 489, 767, 179, 912, 813, 450, 293, 348, 341, 411,
                          69, 468, 777, 200, 568, 784, 374, 183, 859, 141, 446,
                          737, 403, 431, 219, 710, 107, 833, 585, 384, 940, 680,
                          427, 954, 143, 833, 930, 119, 88, 448, 553, 135, 663,
                          808, 31, 398, 882])
    
    def test_snail_076(self):
        self.assertEqual(snail([[385, 928, 460, 539, 984, 516, 609, 769, 825,
                                 857, 819, 422, 989, 319, 60, 450, 495, 64,
                                 624],
                                [604, 59, 272, 470, 997, 980, 563, 632, 353,
                                 366, 750, 740, 395, 978, 995, 848, 72, 820,
                                 410],
                                [703, 427, 351, 469, 685, 297, 362, 947, 998,
                                 434, 896, 773, 441, 562, 785, 704, 529, 471,
                                 798],
                                [564, 846, 756, 916, 435, 184, 785, 930, 349,
                                 161, 253, 365, 82, 976, 499, 461, 398, 278,
                                 331],
                                [529, 354, 643, 338, 772, 629, 726, 296, 672,
                                 282, 268, 741, 330, 272, 217, 188, 754, 875,
                                 58],
                                [869, 349, 328, 585, 442, 812, 645, 854, 317,
                                 437, 314, 343, 571, 202, 534, 22, 307, 874,
                                 859],
                                [161, 579, 865, 703, 276, 889, 374, 792, 123,
                                 668, 970, 737, 846, 416, 704, 204, 660, 223,
                                 509],
                                [243, 645, 359, 427, 636, 193, 663, 857, 712,
                                 510, 367, 862, 352, 715, 811, 986, 292, 391,
                                 475],
                                [645, 767, 117, 907, 321, 906, 592, 508, 647,
                                 289, 307, 519, 425, 659, 219, 459, 537, 505,
                                 328],
                                [743, 74, 374, 226, 356, 28, 5, 215, 459, 232,
                                 18, 123, 308, 277, 490, 345, 68, 763, 93],
                                [21, 927, 770, 760, 75, 751, 387, 686, 366, 108,
                                 327, 196, 603, 676, 337, 59, 799, 41, 699],
                                [777, 779, 755, 647, 718, 144, 749, 35, 282,
                                 233, 552, 936, 391, 140, 877, 874, 472, 86,
                                 836],
                                [966, 63, 26, 21, 595, 325, 521, 636, 481, 485,
                                 664, 897, 151, 132, 969, 967, 856, 953, 425],
                                [352, 849, 157, 520, 272, 9, 934, 441, 261, 380,
                                 868, 260, 375, 547, 699, 924, 794, 617, 222],
                                [559, 901, 435, 537, 620, 779, 708, 848, 903,
                                 701, 570, 115, 114, 342, 57, 878, 278, 697,
                                 629],
                                [541, 502, 381, 168, 792, 268, 21, 59, 581, 691,
                                 695, 906, 616, 808, 366, 804, 36, 210, 295],
                                [662, 142, 571, 207, 905, 913, 414, 341, 956,
                                 602, 115, 78, 688, 67, 148, 92, 930, 68, 258],
                                [301, 970, 837, 91, 679, 574, 119, 324, 554,
                                 233, 617, 382, 876, 516, 380, 584, 516, 911,
                                 331],
                                [894, 637, 193, 54, 14, 503, 221, 127, 118, 565,
                                 234, 828, 753, 97, 257, 619, 811, 803, 934]]),
                         [385, 928, 460, 539, 984, 516, 609, 769, 825, 857, 819,
                          422, 989, 319, 60, 450, 495, 64, 624, 410, 798, 331,
                          58, 859, 509, 475, 328, 93, 699, 836, 425, 222, 629,
                          295, 258, 331, 934, 803, 811, 619, 257, 97, 753, 828,
                          234, 565, 118, 127, 221, 503, 14, 54, 193, 637, 894,
                          301, 662, 541, 559, 352, 966, 777, 21, 743, 645, 243,
                          161, 869, 529, 564, 703, 604, 59, 272, 470, 997, 980,
                          563, 632, 353, 366, 750, 740, 395, 978, 995, 848, 72,
                          820, 471, 278, 875, 874, 223, 391, 505, 763, 41, 86,
                          953, 617, 697, 210, 68, 911, 516, 584, 380, 516, 876,
                          382, 617, 233, 554, 324, 119, 574, 679, 91, 837, 970,
                          142, 502, 901, 849, 63, 779, 927, 74, 767, 645, 579,
                          349, 354, 846, 427, 351, 469, 685, 297, 362, 947, 998,
                          434, 896, 773, 441, 562, 785, 704, 529, 398, 754, 307,
                          660, 292, 537, 68, 799, 472, 856, 794, 278, 36, 930,
                          92, 148, 67, 688, 78, 115, 602, 956, 341, 414, 913,
                          905, 207, 571, 381, 435, 157, 26, 755, 770, 374, 117,
                          359, 865, 328, 643, 756, 916, 435, 184, 785, 930, 349,
                          161, 253, 365, 82, 976, 499, 461, 188, 22, 204, 986,
                          459, 345, 59, 874, 967, 924, 878, 804, 366, 808, 616,
                          906, 695, 691, 581, 59, 21, 268, 792, 168, 537, 520,
                          21, 647, 760, 226, 907, 427, 703, 585, 338, 772, 629,
                          726, 296, 672, 282, 268, 741, 330, 272, 217, 534, 704,
                          811, 219, 490, 337, 877, 969, 699, 57, 342, 114, 115,
                          570, 701, 903, 848, 708, 779, 620, 272, 595, 718, 75,
                          356, 321, 636, 276, 442, 812, 645, 854, 317, 437, 314,
                          343, 571, 202, 416, 715, 659, 277, 676, 140, 132, 547,
                          375, 260, 868, 380, 261, 441, 934, 9, 325, 144, 751,
                          28, 906, 193, 889, 374, 792, 123, 668, 970, 737, 846,
                          352, 425, 308, 603, 391, 151, 897, 664, 485, 481, 636,
                          521, 749, 387, 5, 592, 663, 857, 712, 510, 367, 862,
                          519, 123, 196, 936, 552, 233, 282, 35, 686, 215, 508,
                          647, 289, 307, 18, 327, 108, 366, 459, 232])
    
    def test_snail_077(self):
        self.assertEqual(snail([[666, 962, 235, 436, 68, 11, 222, 412, 346, 108,
                                 83, 505, 615, 899, 111, 149, 740, 452, 988,
                                 476],
                                [546, 18, 303, 148, 420, 385, 556, 547, 944,
                                 980, 346, 821, 402, 114, 287, 328, 884, 420,
                                 476, 327],
                                [586, 711, 282, 581, 620, 649, 276, 979, 359,
                                 916, 897, 797, 676, 359, 510, 229, 621, 782,
                                 559, 406],
                                [888, 758, 801, 266, 597, 509, 541, 501, 301,
                                 109, 298, 676, 542, 803, 434, 40, 601, 224, 72,
                                 387],
                                [402, 960, 825, 515, 400, 282, 102, 787, 226,
                                 256, 446, 116, 926, 868, 497, 885, 645, 228,
                                 37, 263],
                                [589, 332, 700, 507, 657, 509, 28, 46, 60, 615,
                                 43, 439, 545, 382, 249, 1, 511, 411, 369, 336],
                                [470, 14, 533, 919, 248, 40, 292, 559, 970, 850,
                                 609, 202, 315, 100, 52, 467, 332, 666, 620,
                                 145],
                                [117, 906, 282, 526, 168, 206, 689, 213, 207,
                                 78, 270, 186, 877, 744, 191, 86, 56, 626, 47,
                                 777],
                                [491, 902, 689, 519, 278, 647, 890, 903, 351,
                                 125, 873, 92, 510, 765, 213, 298, 972, 42, 667,
                                 61],
                                [689, 759, 825, 676, 249, 697, 684, 112, 347,
                                 73, 863, 91, 150, 311, 140, 814, 984, 838, 458,
                                 505],
                                [176, 115, 727, 603, 981, 695, 255, 165, 433,
                                 82, 576, 392, 401, 736, 469, 685, 684, 473,
                                 599, 275],
                                [400, 527, 489, 949, 267, 523, 711, 642, 204,
                                 140, 298, 162, 730, 26, 745, 748, 641, 378,
                                 187, 208],
                                [424, 742, 633, 608, 645, 642, 876, 276, 408,
                                 985, 695, 3, 772, 967, 436, 422, 333, 626, 980,
                                 279],
                                [363, 401, 873, 167, 355, 259, 678, 424, 558,
                                 957, 171, 284, 664, 517, 855, 849, 112, 470,
                                 331, 112],
                                [353, 257, 463, 706, 552, 957, 255, 596, 453,
                                 950, 352, 914, 493, 798, 735, 633, 747, 552,
                                 368, 547],
                                [524, 688, 975, 145, 704, 232, 190, 483, 617,
                                 262, 882, 782, 5, 345, 285, 483, 325, 321, 866,
                                 806],
                                [99, 972, 262, 332, 81, 103, 425, 156, 240, 599,
                                 508, 755, 783, 585, 354, 515, 694, 638, 22,
                                 815],
                                [789, 616, 172, 544, 827, 862, 286, 844, 376,
                                 844, 508, 320, 675, 197, 350, 545, 505, 78,
                                 155, 606],
                                [203, 167, 992, 723, 682, 83, 534, 315, 376, 89,
                                 267, 107, 346, 924, 306, 752, 627, 496, 994,
                                 613],
                                [581, 737, 393, 879, 406, 15, 265, 238, 125,
                                 683, 505, 835, 174, 509, 284, 12, 364, 345,
                                 395, 1]]),
                         [666, 962, 235, 436, 68, 11, 222, 412, 346, 108, 83,
                          505, 615, 899, 111, 149, 740, 452, 988, 476, 327, 406,
                          387, 263, 336, 145, 777, 61, 505, 275, 208, 279, 112,
                          547, 806, 815, 606, 613, 1, 395, 345, 364, 12, 284,
                          509, 174, 835, 505, 683, 125, 238, 265, 15, 406, 879,
                          393, 737, 581, 203, 789, 99, 524, 353, 363, 424, 400,
                          176, 689, 491, 117, 470, 589, 402, 888, 586, 546, 18,
                          303, 148, 420, 385, 556, 547, 944, 980, 346, 821, 402,
                          114, 287, 328, 884, 420, 476, 559, 72, 37, 369, 620,
                          47, 667, 458, 599, 187, 980, 331, 368, 866, 22, 155,
                          994, 496, 627, 752, 306, 924, 346, 107, 267, 89, 376,
                          315, 534, 83, 682, 723, 992, 167, 616, 972, 688, 257,
                          401, 742, 527, 115, 759, 902, 906, 14, 332, 960, 758,
                          711, 282, 581, 620, 649, 276, 979, 359, 916, 897, 797,
                          676, 359, 510, 229, 621, 782, 224, 228, 411, 666, 626,
                          42, 838, 473, 378, 626, 470, 552, 321, 638, 78, 505,
                          545, 350, 197, 675, 320, 508, 844, 376, 844, 286, 862,
                          827, 544, 172, 262, 975, 463, 873, 633, 489, 727, 825,
                          689, 282, 533, 700, 825, 801, 266, 597, 509, 541, 501,
                          301, 109, 298, 676, 542, 803, 434, 40, 601, 645, 511,
                          332, 56, 972, 984, 684, 641, 333, 112, 747, 325, 694,
                          515, 354, 585, 783, 755, 508, 599, 240, 156, 425, 103,
                          81, 332, 145, 706, 167, 608, 949, 603, 676, 519, 526,
                          919, 507, 515, 400, 282, 102, 787, 226, 256, 446, 116,
                          926, 868, 497, 885, 1, 467, 86, 298, 814, 685, 748,
                          422, 849, 633, 483, 285, 345, 5, 782, 882, 262, 617,
                          483, 190, 232, 704, 552, 355, 645, 267, 981, 249, 278,
                          168, 248, 657, 509, 28, 46, 60, 615, 43, 439, 545,
                          382, 249, 52, 191, 213, 140, 469, 745, 436, 855, 735,
                          798, 493, 914, 352, 950, 453, 596, 255, 957, 259, 642,
                          523, 695, 697, 647, 206, 40, 292, 559, 970, 850, 609,
                          202, 315, 100, 744, 765, 311, 736, 26, 967, 517, 664,
                          284, 171, 957, 558, 424, 678, 876, 711, 255, 684, 890,
                          689, 213, 207, 78, 270, 186, 877, 510, 150, 401, 730,
                          772, 3, 695, 985, 408, 276, 642, 165, 112, 903, 351,
                          125, 873, 92, 91, 392, 162, 298, 140, 204, 433, 347,
                          73, 863, 576, 82])
    
    def test_snail_078(self):
        self.assertEqual(snail([[46, 105, 755, 137, 836, 162, 149, 478, 258],
                                [379, 307, 501, 642, 573, 610, 945, 506, 956],
                                [896, 309, 293, 526, 429, 298, 636, 989, 80],
                                [880, 153, 23, 95, 765, 124, 818, 836, 15],
                                [242, 510, 792, 823, 494, 479, 737, 231, 317],
                                [982, 293, 984, 13, 276, 39, 167, 146, 236],
                                [431, 546, 246, 860, 207, 380, 306, 577, 405],
                                [905, 276, 247, 949, 479, 6, 61, 479, 257],
                                [106, 744, 940, 112, 474, 457, 968, 106, 834]]),
                         [46, 105, 755, 137, 836, 162, 149, 478, 258, 956, 80,
                          15, 317, 236, 405, 257, 834, 106, 968, 457, 474, 112,
                          940, 744, 106, 905, 431, 982, 242, 880, 896, 379, 307,
                          501, 642, 573, 610, 945, 506, 989, 836, 231, 146, 577,
                          479, 61, 6, 479, 949, 247, 276, 546, 293, 510, 153,
                          309, 293, 526, 429, 298, 636, 818, 737, 167, 306, 380,
                          207, 860, 246, 984, 792, 23, 95, 765, 124, 479, 39,
                          276, 13, 823, 494])
    
    def test_snail_079(self):
        self.assertEqual(snail([[601]]), [601])
    
    def test_snail_080(self):
        self.assertEqual(snail([[536, 275, 747, 8, 428, 685, 425, 412, 645, 533,
                                 654, 886, 275, 373, 341, 70, 650],
                                [756, 413, 436, 934, 70, 645, 837, 399, 729,
                                 158, 115, 212, 529, 627, 892, 58, 619],
                                [518, 780, 787, 240, 167, 877, 45, 186, 204, 22,
                                 90, 292, 440, 612, 569, 934, 587],
                                [409, 521, 219, 974, 972, 466, 222, 367, 656,
                                 763, 432, 42, 652, 251, 806, 486, 266],
                                [144, 220, 975, 993, 678, 28, 287, 838, 236,
                                 632, 211, 508, 380, 748, 908, 232, 311],
                                [59, 581, 843, 66, 293, 134, 177, 377, 903, 109,
                                 289, 797, 915, 171, 878, 695, 826],
                                [5, 889, 628, 878, 997, 251, 772, 414, 963, 863,
                                 628, 454, 971, 275, 246, 243, 471],
                                [589, 24, 469, 290, 96, 747, 174, 213, 135, 156,
                                 578, 50, 459, 831, 340, 571, 230],
                                [943, 385, 307, 46, 800, 569, 449, 634, 899,
                                 355, 786, 960, 487, 267, 905, 890, 626],
                                [382, 736, 909, 496, 936, 828, 684, 105, 44,
                                 589, 477, 225, 434, 649, 419, 273, 447],
                                [629, 814, 94, 606, 640, 272, 12, 589, 421, 327,
                                 552, 249, 232, 32, 713, 179, 812],
                                [432, 535, 53, 10, 658, 475, 431, 61, 830, 716,
                                 173, 797, 766, 76, 537, 4, 156],
                                [360, 671, 868, 928, 838, 705, 359, 128, 397,
                                 793, 696, 194, 904, 174, 818, 833, 48],
                                [789, 821, 540, 10, 356, 267, 847, 783, 914,
                                 391, 93, 977, 426, 780, 755, 35, 914],
                                [862, 389, 478, 904, 272, 512, 567, 469, 802,
                                 492, 300, 137, 908, 585, 72, 928, 133],
                                [29, 33, 792, 193, 910, 404, 972, 524, 301, 32,
                                 385, 813, 353, 322, 112, 606, 138],
                                [930, 878, 888, 703, 28, 422, 72, 939, 971, 551,
                                 49, 363, 45, 723, 659, 553, 133]]),
                         [536, 275, 747, 8, 428, 685, 425, 412, 645, 533, 654,
                          886, 275, 373, 341, 70, 650, 619, 587, 266, 311, 826,
                          471, 230, 626, 447, 812, 156, 48, 914, 133, 138, 133,
                          553, 659, 723, 45, 363, 49, 551, 971, 939, 72, 422,
                          28, 703, 888, 878, 930, 29, 862, 789, 360, 432, 629,
                          382, 943, 589, 5, 59, 144, 409, 518, 756, 413, 436,
                          934, 70, 645, 837, 399, 729, 158, 115, 212, 529, 627,
                          892, 58, 934, 486, 232, 695, 243, 571, 890, 273, 179,
                          4, 833, 35, 928, 606, 112, 322, 353, 813, 385, 32,
                          301, 524, 972, 404, 910, 193, 792, 33, 389, 821, 671,
                          535, 814, 736, 385, 24, 889, 581, 220, 521, 780, 787,
                          240, 167, 877, 45, 186, 204, 22, 90, 292, 440, 612,
                          569, 806, 908, 878, 246, 340, 905, 419, 713, 537, 818,
                          755, 72, 585, 908, 137, 300, 492, 802, 469, 567, 512,
                          272, 904, 478, 540, 868, 53, 94, 909, 307, 469, 628,
                          843, 975, 219, 974, 972, 466, 222, 367, 656, 763, 432,
                          42, 652, 251, 748, 171, 275, 831, 267, 649, 32, 76,
                          174, 780, 426, 977, 93, 391, 914, 783, 847, 267, 356,
                          10, 928, 10, 606, 496, 46, 290, 878, 66, 993, 678, 28,
                          287, 838, 236, 632, 211, 508, 380, 915, 971, 459, 487,
                          434, 232, 766, 904, 194, 696, 793, 397, 128, 359, 705,
                          838, 658, 640, 936, 800, 96, 997, 293, 134, 177, 377,
                          903, 109, 289, 797, 454, 50, 960, 225, 249, 797, 173,
                          716, 830, 61, 431, 475, 272, 828, 569, 747, 251, 772,
                          414, 963, 863, 628, 578, 786, 477, 552, 327, 421, 589,
                          12, 684, 449, 174, 213, 135, 156, 355, 589, 44, 105,
                          634, 899])
    
    def test_snail_081(self):
        self.assertEqual(snail([[350, 303, 624, 66, 319, 723, 677],
                                [44, 616, 64, 859, 683, 425, 556],
                                [551, 592, 382, 678, 823, 63, 881],
                                [956, 8, 601, 384, 191, 811, 32],
                                [815, 931, 592, 1, 230, 786, 446],
                                [597, 948, 908, 590, 858, 850, 974],
                                [533, 204, 906, 134, 27, 882, 14]]),
                         [350, 303, 624, 66, 319, 723, 677, 556, 881, 32, 446,
                          974, 14, 882, 27, 134, 906, 204, 533, 597, 815, 956,
                          551, 44, 616, 64, 859, 683, 425, 63, 811, 786, 850,
                          858, 590, 908, 948, 931, 8, 592, 382, 678, 823, 191,
                          230, 1, 592, 601, 384])
    
    def test_snail_082(self):
        self.assertEqual(snail([[232, 617, 922, 488, 792, 289, 488, 451, 844,
                                 714, 179, 844, 377, 576, 242],
                                [638, 339, 530, 807, 417, 862, 71, 352, 963, 49,
                                 822, 978, 162, 924, 461],
                                [148, 636, 263, 858, 140, 630, 654, 304, 258,
                                 412, 64, 1, 326, 311, 284],
                                [573, 758, 197, 133, 766, 783, 550, 324, 290,
                                 293, 337, 479, 415, 587, 133],
                                [798, 60, 844, 834, 303, 77, 121, 339, 885, 691,
                                 848, 272, 484, 758, 485],
                                [364, 590, 109, 407, 502, 59, 341, 166, 109,
                                 382, 90, 226, 362, 299, 761],
                                [308, 771, 541, 867, 867, 886, 671, 302, 894,
                                 517, 713, 570, 682, 603, 209],
                                [512, 975, 223, 313, 340, 376, 751, 76, 332, 80,
                                 81, 581, 401, 768, 373],
                                [933, 400, 289, 659, 875, 869, 5, 606, 314, 989,
                                 494, 403, 925, 341, 839],
                                [470, 504, 721, 26, 765, 821, 985, 750, 905,
                                 938, 975, 950, 288, 196, 603],
                                [977, 989, 127, 507, 747, 679, 671, 797, 819,
                                 775, 439, 994, 870, 970, 164],
                                [761, 489, 634, 539, 499, 48, 61, 515, 675, 8,
                                 194, 621, 828, 638, 801],
                                [366, 575, 629, 798, 838, 201, 769, 989, 507,
                                 142, 3, 561, 225, 282, 604],
                                [122, 776, 797, 161, 244, 963, 385, 715, 120,
                                 321, 752, 489, 233, 904, 843],
                                [739, 637, 324, 232, 751, 507, 800, 548, 486,
                                 781, 554, 267, 721, 845, 6]]),
                         [232, 617, 922, 488, 792, 289, 488, 451, 844, 714, 179,
                          844, 377, 576, 242, 461, 284, 133, 485, 761, 209, 373,
                          839, 603, 164, 801, 604, 843, 6, 845, 721, 267, 554,
                          781, 486, 548, 800, 507, 751, 232, 324, 637, 739, 122,
                          366, 761, 977, 470, 933, 512, 308, 364, 798, 573, 148,
                          638, 339, 530, 807, 417, 862, 71, 352, 963, 49, 822,
                          978, 162, 924, 311, 587, 758, 299, 603, 768, 341, 196,
                          970, 638, 282, 904, 233, 489, 752, 321, 120, 715, 385,
                          963, 244, 161, 797, 776, 575, 489, 989, 504, 400, 975,
                          771, 590, 60, 758, 636, 263, 858, 140, 630, 654, 304,
                          258, 412, 64, 1, 326, 415, 484, 362, 682, 401, 925,
                          288, 870, 828, 225, 561, 3, 142, 507, 989, 769, 201,
                          838, 798, 629, 634, 127, 721, 289, 223, 541, 109, 844,
                          197, 133, 766, 783, 550, 324, 290, 293, 337, 479, 272,
                          226, 570, 581, 403, 950, 994, 621, 194, 8, 675, 515,
                          61, 48, 499, 539, 507, 26, 659, 313, 867, 407, 834,
                          303, 77, 121, 339, 885, 691, 848, 90, 713, 81, 494,
                          975, 439, 775, 819, 797, 671, 679, 747, 765, 875, 340,
                          867, 502, 59, 341, 166, 109, 382, 517, 80, 989, 938,
                          905, 750, 985, 821, 869, 376, 886, 671, 302, 894, 332,
                          314, 606, 5, 751, 76])
    
    def test_snail_083(self):
        self.assertEqual(snail([[144, 568, 21, 727, 740, 122, 743, 378, 519,
                                 294, 987, 449, 688, 91],
                                [552, 330, 129, 484, 303, 770, 794, 409, 32,
                                 995, 764, 458, 386, 946],
                                [232, 385, 662, 477, 897, 597, 969, 609, 361,
                                 529, 422, 18, 645, 653],
                                [819, 179, 340, 828, 667, 374, 420, 151, 671,
                                 281, 326, 381, 172, 12],
                                [695, 954, 432, 746, 292, 212, 544, 792, 75,
                                 976, 26, 534, 887, 349],
                                [313, 163, 954, 749, 295, 980, 883, 133, 74,
                                 156, 703, 232, 232, 743],
                                [417, 501, 155, 131, 331, 691, 333, 873, 964,
                                 12, 447, 684, 455, 434],
                                [135, 141, 836, 947, 767, 389, 477, 646, 470,
                                 281, 296, 182, 898, 681],
                                [373, 491, 318, 425, 872, 981, 276, 414, 883,
                                 170, 585, 494, 993, 789],
                                [419, 172, 127, 49, 377, 384, 279, 958, 572,
                                 535, 777, 121, 226, 728],
                                [683, 986, 545, 205, 129, 816, 117, 474, 159,
                                 577, 380, 149, 42, 360],
                                [317, 525, 283, 558, 762, 813, 230, 435, 944,
                                 500, 260, 211, 728, 666],
                                [858, 49, 772, 565, 195, 376, 938, 653, 992, 54,
                                 819, 552, 93, 486],
                                [246, 99, 795, 769, 705, 916, 422, 117, 882, 41,
                                 23, 612, 426, 556]]),
                         [144, 568, 21, 727, 740, 122, 743, 378, 519, 294, 987,
                          449, 688, 91, 946, 653, 12, 349, 743, 434, 681, 789,
                          728, 360, 666, 486, 556, 426, 612, 23, 41, 882, 117,
                          422, 916, 705, 769, 795, 99, 246, 858, 317, 683, 419,
                          373, 135, 417, 313, 695, 819, 232, 552, 330, 129, 484,
                          303, 770, 794, 409, 32, 995, 764, 458, 386, 645, 172,
                          887, 232, 455, 898, 993, 226, 42, 728, 93, 552, 819,
                          54, 992, 653, 938, 376, 195, 565, 772, 49, 525, 986,
                          172, 491, 141, 501, 163, 954, 179, 385, 662, 477, 897,
                          597, 969, 609, 361, 529, 422, 18, 381, 534, 232, 684,
                          182, 494, 121, 149, 211, 260, 500, 944, 435, 230, 813,
                          762, 558, 283, 545, 127, 318, 836, 155, 954, 432, 340,
                          828, 667, 374, 420, 151, 671, 281, 326, 26, 703, 447,
                          296, 585, 777, 380, 577, 159, 474, 117, 816, 129, 205,
                          49, 425, 947, 131, 749, 746, 292, 212, 544, 792, 75,
                          976, 156, 12, 281, 170, 535, 572, 958, 279, 384, 377,
                          872, 767, 331, 295, 980, 883, 133, 74, 964, 470, 883,
                          414, 276, 981, 389, 691, 333, 873, 646, 477])
    
    def test_snail_084(self):
        self.assertEqual(snail([[189, 117, 130, 56, 993, 906, 843, 983, 823,
                                 485, 420, 275, 333, 394, 68, 33],
                                [818, 830, 502, 978, 273, 428, 157, 621, 121,
                                 411, 509, 279, 263, 56, 108, 82],
                                [632, 484, 962, 408, 95, 161, 463, 823, 500,
                                 110, 616, 113, 355, 800, 916, 304],
                                [146, 217, 702, 32, 929, 794, 249, 734, 284,
                                 757, 354, 826, 842, 992, 651, 820],
                                [644, 413, 389, 168, 871, 136, 95, 987, 101,
                                 790, 634, 771, 802, 35, 528, 248],
                                [636, 81, 890, 390, 966, 16, 584, 150, 112, 563,
                                 432, 522, 231, 817, 111, 490],
                                [572, 77, 887, 337, 985, 822, 83, 788, 986, 767,
                                 996, 442, 328, 24, 906, 496],
                                [889, 781, 904, 723, 475, 507, 809, 682, 839,
                                 436, 614, 415, 490, 892, 778, 879],
                                [423, 699, 788, 677, 630, 121, 568, 397, 366,
                                 495, 850, 43, 181, 296, 671, 181],
                                [849, 828, 840, 490, 665, 921, 666, 346, 315,
                                 287, 347, 527, 346, 38, 599, 743],
                                [196, 68, 364, 681, 321, 104, 86, 948, 393, 201,
                                 470, 539, 459, 60, 156, 742],
                                [820, 525, 485, 892, 653, 694, 287, 887, 729,
                                 75, 466, 354, 568, 850, 732, 654],
                                [670, 174, 472, 262, 890, 410, 362, 234, 335,
                                 92, 451, 167, 706, 177, 955, 612],
                                [647, 138, 198, 265, 541, 673, 41, 818, 564,
                                 863, 932, 552, 245, 71, 535, 289],
                                [626, 514, 854, 694, 783, 469, 674, 473, 537,
                                 157, 546, 891, 615, 399, 547, 699],
                                [662, 868, 468, 922, 99, 268, 120, 280, 983,
                                 586, 712, 206, 750, 43, 640, 116]]),
                         [189, 117, 130, 56, 993, 906, 843, 983, 823, 485, 420,
                          275, 333, 394, 68, 33, 82, 304, 820, 248, 490, 496,
                          879, 181, 743, 742, 654, 612, 289, 699, 116, 640, 43,
                          750, 206, 712, 586, 983, 280, 120, 268, 99, 922, 468,
                          868, 662, 626, 647, 670, 820, 196, 849, 423, 889, 572,
                          636, 644, 146, 632, 818, 830, 502, 978, 273, 428, 157,
                          621, 121, 411, 509, 279, 263, 56, 108, 916, 651, 528,
                          111, 906, 778, 671, 599, 156, 732, 955, 535, 547, 399,
                          615, 891, 546, 157, 537, 473, 674, 469, 783, 694, 854,
                          514, 138, 174, 525, 68, 828, 699, 781, 77, 81, 413,
                          217, 484, 962, 408, 95, 161, 463, 823, 500, 110, 616,
                          113, 355, 800, 992, 35, 817, 24, 892, 296, 38, 60,
                          850, 177, 71, 245, 552, 932, 863, 564, 818, 41, 673,
                          541, 265, 198, 472, 485, 364, 840, 788, 904, 887, 890,
                          389, 702, 32, 929, 794, 249, 734, 284, 757, 354, 826,
                          842, 802, 231, 328, 490, 181, 346, 459, 568, 706, 167,
                          451, 92, 335, 234, 362, 410, 890, 262, 892, 681, 490,
                          677, 723, 337, 390, 168, 871, 136, 95, 987, 101, 790,
                          634, 771, 522, 442, 415, 43, 527, 539, 354, 466, 75,
                          729, 887, 287, 694, 653, 321, 665, 630, 475, 985, 966,
                          16, 584, 150, 112, 563, 432, 996, 614, 850, 347, 470,
                          201, 393, 948, 86, 104, 921, 121, 507, 822, 83, 788,
                          986, 767, 436, 495, 287, 315, 346, 666, 568, 809, 682,
                          839, 366, 397])
    
    def test_snail_085(self):
        self.assertEqual(snail([[830, 253, 625, 973, 491, 433, 340, 950, 941],
                                [594, 74, 780, 39, 840, 620, 979, 117, 869],
                                [382, 233, 384, 673, 659, 501, 886, 415, 947],
                                [608, 73, 246, 530, 429, 506, 573, 552, 505],
                                [482, 346, 767, 910, 939, 200, 398, 831, 979],
                                [382, 723, 528, 936, 648, 300, 650, 564, 823],
                                [68, 395, 220, 265, 125, 912, 658, 384, 764],
                                [934, 378, 160, 882, 201, 23, 74, 287, 899],
                                [927, 183, 846, 677, 44, 118, 611, 685, 902]]),
                         [830, 253, 625, 973, 491, 433, 340, 950, 941, 869, 947,
                          505, 979, 823, 764, 899, 902, 685, 611, 118, 44, 677,
                          846, 183, 927, 934, 68, 382, 482, 608, 382, 594, 74,
                          780, 39, 840, 620, 979, 117, 415, 552, 831, 564, 384,
                          287, 74, 23, 201, 882, 160, 378, 395, 723, 346, 73,
                          233, 384, 673, 659, 501, 886, 573, 398, 650, 658, 912,
                          125, 265, 220, 528, 767, 246, 530, 429, 506, 200, 300,
                          648, 936, 910, 939])
    
    def test_snail_086(self):
        self.assertEqual(snail([[138, 741, 417, 159, 204, 874, 124, 662, 424,
                                 454, 485, 437, 98, 149, 674, 523, 367],
                                [743, 936, 693, 93, 718, 309, 249, 664, 820,
                                 647, 450, 8, 94, 521, 633, 704, 11],
                                [111, 422, 331, 297, 369, 809, 16, 991, 98, 871,
                                 429, 887, 906, 706, 16, 576, 635],
                                [897, 820, 362, 595, 369, 495, 206, 231, 632,
                                 842, 225, 550, 663, 364, 556, 586, 890],
                                [370, 949, 756, 447, 637, 326, 862, 636, 342,
                                 228, 582, 876, 52, 210, 298, 922, 59],
                                [842, 58, 731, 756, 306, 879, 101, 280, 670,
                                 612, 636, 200, 613, 915, 21, 756, 625],
                                [22, 850, 811, 476, 515, 485, 579, 707, 730,
                                 343, 492, 324, 588, 692, 954, 339, 674],
                                [851, 681, 842, 320, 85, 795, 471, 779, 259,
                                 472, 217, 985, 410, 371, 408, 401, 649],
                                [581, 45, 563, 964, 455, 888, 78, 345, 479, 891,
                                 302, 874, 477, 740, 634, 339, 13],
                                [794, 39, 180, 191, 463, 573, 704, 333, 920,
                                 508, 373, 622, 378, 615, 1, 778, 186],
                                [850, 537, 431, 4, 427, 172, 687, 344, 35, 847,
                                 745, 818, 394, 935, 796, 428, 562],
                                [487, 80, 446, 506, 159, 277, 773, 958, 222,
                                 805, 906, 369, 807, 59, 834, 866, 923],
                                [169, 750, 548, 544, 7, 987, 629, 344, 516, 916,
                                 352, 303, 926, 466, 44, 635, 703],
                                [956, 621, 626, 932, 280, 837, 977, 529, 761,
                                 567, 636, 162, 415, 12, 347, 336, 835],
                                [544, 924, 11, 155, 311, 602, 943, 30, 742, 627,
                                 21, 905, 443, 295, 369, 462, 617],
                                [445, 648, 244, 728, 706, 492, 740, 402, 226,
                                 605, 748, 201, 717, 135, 785, 306, 535],
                                [827, 874, 302, 890, 902, 317, 511, 214, 761,
                                 852, 180, 653, 300, 780, 147, 744, 661]]),
                         [138, 741, 417, 159, 204, 874, 124, 662, 424, 454, 485,
                          437, 98, 149, 674, 523, 367, 11, 635, 890, 59, 625,
                          674, 649, 13, 186, 562, 923, 703, 835, 617, 535, 661,
                          744, 147, 780, 300, 653, 180, 852, 761, 214, 511, 317,
                          902, 890, 302, 874, 827, 445, 544, 956, 169, 487, 850,
                          794, 581, 851, 22, 842, 370, 897, 111, 743, 936, 693,
                          93, 718, 309, 249, 664, 820, 647, 450, 8, 94, 521,
                          633, 704, 576, 586, 922, 756, 339, 401, 339, 778, 428,
                          866, 635, 336, 462, 306, 785, 135, 717, 201, 748, 605,
                          226, 402, 740, 492, 706, 728, 244, 648, 924, 621, 750,
                          80, 537, 39, 45, 681, 850, 58, 949, 820, 422, 331,
                          297, 369, 809, 16, 991, 98, 871, 429, 887, 906, 706,
                          16, 556, 298, 21, 954, 408, 634, 1, 796, 834, 44, 347,
                          369, 295, 443, 905, 21, 627, 742, 30, 943, 602, 311,
                          155, 11, 626, 548, 446, 431, 180, 563, 842, 811, 731,
                          756, 362, 595, 369, 495, 206, 231, 632, 842, 225, 550,
                          663, 364, 210, 915, 692, 371, 740, 615, 935, 59, 466,
                          12, 415, 162, 636, 567, 761, 529, 977, 837, 280, 932,
                          544, 506, 4, 191, 964, 320, 476, 756, 447, 637, 326,
                          862, 636, 342, 228, 582, 876, 52, 613, 588, 410, 477,
                          378, 394, 807, 926, 303, 352, 916, 516, 344, 629, 987,
                          7, 159, 427, 463, 455, 85, 515, 306, 879, 101, 280,
                          670, 612, 636, 200, 324, 985, 874, 622, 818, 369, 906,
                          805, 222, 958, 773, 277, 172, 573, 888, 795, 485, 579,
                          707, 730, 343, 492, 217, 302, 373, 745, 847, 35, 344,
                          687, 704, 78, 471, 779, 259, 472, 891, 508, 920, 333,
                          345, 479])
    
    def test_snail_087(self):
        self.assertEqual(snail([[525, 36, 964], [45, 650, 15], [487, 52, 333]]),
                         [525, 36, 964, 15, 333, 52, 487, 45, 650])
    
    def test_snail_088(self):
        self.assertEqual(snail(
                [[708, 433, 591, 277, 518, 564, 794, 454, 666, 595, 254, 870],
                 [886, 628, 399, 222, 594, 65, 44, 567, 666, 356, 421, 594],
                 [612, 162, 307, 42, 245, 10, 620, 187, 413, 350, 972, 964],
                 [669, 577, 98, 332, 950, 236, 393, 682, 764, 432, 849, 338],
                 [495, 741, 186, 613, 557, 277, 861, 390, 228, 247, 535, 87],
                 [485, 401, 526, 512, 170, 157, 575, 284, 814, 215, 897, 797],
                 [447, 679, 519, 8, 329, 991, 568, 414, 967, 643, 213, 426],
                 [139, 739, 730, 456, 961, 236, 501, 409, 293, 812, 141, 773],
                 [930, 834, 528, 146, 556, 677, 991, 143, 911, 118, 301, 165],
                 [467, 666, 632, 210, 394, 124, 348, 615, 620, 216, 340, 549],
                 [116, 624, 238, 45, 716, 894, 380, 921, 708, 998, 910, 844],
                 [790, 25, 61, 218, 901, 200, 833, 57, 472, 464, 523, 573]]),
                         [708, 433, 591, 277, 518, 564, 794, 454, 666, 595, 254,
                          870, 594, 964, 338, 87, 797, 426, 773, 165, 549, 844,
                          573, 523, 464, 472, 57, 833, 200, 901, 218, 61, 25,
                          790, 116, 467, 930, 139, 447, 485, 495, 669, 612, 886,
                          628, 399, 222, 594, 65, 44, 567, 666, 356, 421, 972,
                          849, 535, 897, 213, 141, 301, 340, 910, 998, 708, 921,
                          380, 894, 716, 45, 238, 624, 666, 834, 739, 679, 401,
                          741, 577, 162, 307, 42, 245, 10, 620, 187, 413, 350,
                          432, 247, 215, 643, 812, 118, 216, 620, 615, 348, 124,
                          394, 210, 632, 528, 730, 519, 526, 186, 98, 332, 950,
                          236, 393, 682, 764, 228, 814, 967, 293, 911, 143, 991,
                          677, 556, 146, 456, 8, 512, 613, 557, 277, 861, 390,
                          284, 414, 409, 501, 236, 961, 329, 170, 157, 575, 568,
                          991])
    
    def test_snail_089(self):
        self.assertEqual(snail([[293, 385, 292, 757, 361, 655, 659, 966, 615,
                                 684, 335, 393, 474],
                                [478, 315, 712, 147, 750, 338, 9, 707, 159, 91,
                                 170, 85, 27],
                                [499, 881, 299, 789, 431, 756, 734, 872, 384,
                                 26, 520, 489, 819],
                                [801, 283, 442, 398, 640, 355, 827, 403, 368,
                                 238, 481, 404, 108],
                                [295, 858, 223, 425, 139, 752, 720, 679, 43,
                                 976, 817, 77, 607],
                                [877, 392, 230, 626, 447, 760, 462, 860, 519,
                                 976, 935, 473, 237],
                                [341, 760, 55, 653, 403, 84, 673, 64, 997, 241,
                                 957, 851, 858],
                                [946, 296, 603, 287, 348, 837, 508, 741, 461,
                                 920, 693, 131, 343],
                                [584, 127, 8, 16, 54, 563, 356, 193, 904, 812,
                                 588, 915, 556],
                                [318, 934, 918, 261, 821, 590, 962, 870, 590,
                                 99, 658, 259, 484],
                                [350, 129, 627, 13, 625, 760, 268, 552, 427,
                                 303, 818, 860, 190],
                                [944, 524, 876, 51, 827, 34, 526, 269, 903, 5,
                                 902, 246, 609],
                                [51, 555, 781, 892, 378, 981, 385, 744, 956,
                                 684, 390, 384, 689]]),
                         [293, 385, 292, 757, 361, 655, 659, 966, 615, 684, 335,
                          393, 474, 27, 819, 108, 607, 237, 858, 343, 556, 484,
                          190, 609, 689, 384, 390, 684, 956, 744, 385, 981, 378,
                          892, 781, 555, 51, 944, 350, 318, 584, 946, 341, 877,
                          295, 801, 499, 478, 315, 712, 147, 750, 338, 9, 707,
                          159, 91, 170, 85, 489, 404, 77, 473, 851, 131, 915,
                          259, 860, 246, 902, 5, 903, 269, 526, 34, 827, 51,
                          876, 524, 129, 934, 127, 296, 760, 392, 858, 283, 881,
                          299, 789, 431, 756, 734, 872, 384, 26, 520, 481, 817,
                          935, 957, 693, 588, 658, 818, 303, 427, 552, 268, 760,
                          625, 13, 627, 918, 8, 603, 55, 230, 223, 442, 398,
                          640, 355, 827, 403, 368, 238, 976, 976, 241, 920, 812,
                          99, 590, 870, 962, 590, 821, 261, 16, 287, 653, 626,
                          425, 139, 752, 720, 679, 43, 519, 997, 461, 904, 193,
                          356, 563, 54, 348, 403, 447, 760, 462, 860, 64, 741,
                          508, 837, 84, 673])
    
    def test_snail_090(self):
        self.assertEqual(snail(
                [[232, 704, 47, 593, 30, 394, 932, 781, 504, 760],
                 [319, 806, 940, 647, 412, 710, 335, 109, 34, 130],
                 [447, 743, 128, 497, 547, 155, 153, 676, 930, 401],
                 [502, 42, 815, 824, 166, 627, 893, 500, 753, 136],
                 [343, 384, 627, 328, 944, 841, 583, 899, 598, 558],
                 [260, 468, 889, 544, 526, 498, 749, 87, 741, 862],
                 [323, 885, 390, 955, 965, 997, 974, 210, 611, 890],
                 [598, 888, 146, 717, 118, 63, 858, 484, 310, 265],
                 [825, 98, 520, 519, 70, 602, 698, 662, 73, 902],
                 [53, 156, 588, 118, 981, 519, 39, 536, 147, 295]]),
                         [232, 704, 47, 593, 30, 394, 932, 781, 504, 760, 130,
                          401, 136, 558, 862, 890, 265, 902, 295, 147, 536, 39,
                          519, 981, 118, 588, 156, 53, 825, 598, 323, 260, 343,
                          502, 447, 319, 806, 940, 647, 412, 710, 335, 109, 34,
                          930, 753, 598, 741, 611, 310, 73, 662, 698, 602, 70,
                          519, 520, 98, 888, 885, 468, 384, 42, 743, 128, 497,
                          547, 155, 153, 676, 500, 899, 87, 210, 484, 858, 63,
                          118, 717, 146, 390, 889, 627, 815, 824, 166, 627, 893,
                          583, 749, 974, 997, 965, 955, 544, 328, 944, 841, 498,
                          526])
    
    def test_snail_091(self):
        self.assertEqual(snail([[143, 117, 15, 361, 949, 412, 30, 789, 293],
                                [517, 943, 527, 914, 119, 984, 619, 878, 694],
                                [548, 939, 625, 550, 787, 169, 633, 216, 84],
                                [649, 772, 533, 591, 101, 87, 115, 248, 263],
                                [650, 436, 659, 76, 395, 878, 470, 424, 7],
                                [218, 861, 265, 632, 294, 34, 433, 364, 370],
                                [164, 390, 869, 489, 226, 371, 295, 776, 503],
                                [424, 284, 985, 209, 70, 146, 636, 797, 176],
                                [951, 264, 54, 144, 844, 301, 390, 678, 639]]),
                         [143, 117, 15, 361, 949, 412, 30, 789, 293, 694, 84,
                          263, 7, 370, 503, 176, 639, 678, 390, 301, 844, 144,
                          54, 264, 951, 424, 164, 218, 650, 649, 548, 517, 943,
                          527, 914, 119, 984, 619, 878, 216, 248, 424, 364, 776,
                          797, 636, 146, 70, 209, 985, 284, 390, 861, 436, 772,
                          939, 625, 550, 787, 169, 633, 115, 470, 433, 295, 371,
                          226, 489, 869, 265, 659, 533, 591, 101, 87, 878, 34,
                          294, 632, 76, 395])
    
    def test_snail_092(self):
        self.assertEqual(snail([[746, 798, 736, 433, 822, 82, 487, 32, 500, 717,
                                 52, 320, 238, 1, 529, 973, 97, 6],
                                [37, 761, 26, 63, 86, 770, 670, 899, 738, 619,
                                 967, 959, 663, 317, 395, 302, 45, 8],
                                [316, 296, 58, 653, 99, 271, 767, 122, 344, 644,
                                 604, 617, 566, 441, 699, 287, 775, 950],
                                [60, 610, 295, 13, 143, 480, 575, 808, 896, 416,
                                 919, 970, 163, 38, 726, 482, 18, 940],
                                [62, 758, 907, 148, 994, 42, 547, 843, 296, 348,
                                 625, 884, 823, 148, 682, 358, 627, 792],
                                [259, 128, 820, 772, 767, 852, 3, 331, 540, 196,
                                 560, 312, 291, 376, 162, 666, 420, 426],
                                [3, 362, 144, 383, 219, 657, 301, 113, 46, 771,
                                 132, 697, 38, 486, 299, 218, 254, 692],
                                [397, 76, 152, 653, 161, 199, 721, 574, 729,
                                 810, 383, 223, 626, 96, 817, 872, 945, 220],
                                [961, 967, 364, 568, 958, 566, 517, 693, 841,
                                 509, 751, 713, 888, 764, 200, 16, 501, 524],
                                [195, 523, 624, 652, 113, 281, 983, 472, 482,
                                 681, 206, 733, 742, 985, 226, 207, 699, 575],
                                [533, 22, 231, 758, 951, 649, 867, 381, 734,
                                 538, 733, 814, 392, 86, 322, 758, 550, 42],
                                [775, 777, 347, 884, 298, 126, 826, 595, 151,
                                 560, 119, 375, 416, 94, 245, 659, 238, 229],
                                [562, 956, 429, 47, 922, 974, 953, 624, 583, 40,
                                 507, 752, 446, 779, 788, 952, 354, 798],
                                [495, 809, 528, 500, 277, 35, 827, 486, 12, 453,
                                 73, 91, 129, 810, 828, 698, 401, 824],
                                [549, 11, 22, 952, 943, 177, 372, 535, 785, 315,
                                 879, 864, 606, 945, 720, 960, 997, 482],
                                [810, 804, 171, 44, 552, 317, 293, 863, 71, 416,
                                 294, 995, 267, 152, 973, 777, 936, 790],
                                [264, 874, 485, 179, 373, 496, 786, 520, 437,
                                 363, 619, 97, 895, 21, 9, 170, 757, 855],
                                [699, 372, 806, 630, 759, 884, 175, 149, 192,
                                 684, 457, 237, 46, 938, 845, 207, 265, 114]]),
                         [746, 798, 736, 433, 822, 82, 487, 32, 500, 717, 52,
                          320, 238, 1, 529, 973, 97, 6, 8, 950, 940, 792, 426,
                          692, 220, 524, 575, 42, 229, 798, 824, 482, 790, 855,
                          114, 265, 207, 845, 938, 46, 237, 457, 684, 192, 149,
                          175, 884, 759, 630, 806, 372, 699, 264, 810, 549, 495,
                          562, 775, 533, 195, 961, 397, 3, 259, 62, 60, 316, 37,
                          761, 26, 63, 86, 770, 670, 899, 738, 619, 967, 959,
                          663, 317, 395, 302, 45, 775, 18, 627, 420, 254, 945,
                          501, 699, 550, 238, 354, 401, 997, 936, 757, 170, 9,
                          21, 895, 97, 619, 363, 437, 520, 786, 496, 373, 179,
                          485, 874, 804, 11, 809, 956, 777, 22, 523, 967, 76,
                          362, 128, 758, 610, 296, 58, 653, 99, 271, 767, 122,
                          344, 644, 604, 617, 566, 441, 699, 287, 482, 358, 666,
                          218, 872, 16, 207, 758, 659, 952, 698, 960, 777, 973,
                          152, 267, 995, 294, 416, 71, 863, 293, 317, 552, 44,
                          171, 22, 528, 429, 347, 231, 624, 364, 152, 144, 820,
                          907, 295, 13, 143, 480, 575, 808, 896, 416, 919, 970,
                          163, 38, 726, 682, 162, 299, 817, 200, 226, 322, 245,
                          788, 828, 720, 945, 606, 864, 879, 315, 785, 535, 372,
                          177, 943, 952, 500, 47, 884, 758, 652, 568, 653, 383,
                          772, 148, 994, 42, 547, 843, 296, 348, 625, 884, 823,
                          148, 376, 486, 96, 764, 985, 86, 94, 779, 810, 129,
                          91, 73, 453, 12, 486, 827, 35, 277, 922, 298, 951,
                          113, 958, 161, 219, 767, 852, 3, 331, 540, 196, 560,
                          312, 291, 38, 626, 888, 742, 392, 416, 446, 752, 507,
                          40, 583, 624, 953, 974, 126, 649, 281, 566, 199, 657,
                          301, 113, 46, 771, 132, 697, 223, 713, 733, 814, 375,
                          119, 560, 151, 595, 826, 867, 983, 517, 721, 574, 729,
                          810, 383, 751, 206, 733, 538, 734, 381, 472, 693, 841,
                          509, 681, 482])
    
    def test_snail_093(self):
        self.assertEqual(snail(
                [[600, 705, 630, 641, 878], [29, 799, 688, 274, 954],
                 [642, 533, 486, 590, 446], [386, 706, 769, 884, 88],
                 [40, 949, 713, 263, 542]]),
                         [600, 705, 630, 641, 878, 954, 446, 88, 542, 263, 713,
                          949, 40, 386, 642, 29, 799, 688, 274, 590, 884, 769,
                          706, 533, 486])
    
    def test_snail_094(self):
        self.assertEqual(snail([[907, 736, 956, 378, 282, 128, 890, 360, 476,
                                 774, 662, 76, 440, 146, 260, 503, 594, 753,
                                 601, 758],
                                [154, 508, 696, 345, 591, 993, 883, 517, 744,
                                 441, 519, 59, 241, 932, 612, 853, 681, 580,
                                 189, 616],
                                [252, 776, 960, 174, 414, 719, 865, 586, 514,
                                 147, 885, 941, 624, 902, 920, 281, 788, 666,
                                 645, 885],
                                [449, 571, 489, 461, 175, 497, 36, 529, 700,
                                 833, 843, 360, 129, 148, 858, 887, 601, 368,
                                 850, 693],
                                [490, 627, 711, 829, 183, 271, 1, 656, 384, 296,
                                 344, 478, 251, 806, 930, 50, 586, 526, 851,
                                 77],
                                [567, 200, 336, 555, 849, 867, 680, 585, 750,
                                 865, 85, 520, 229, 438, 712, 500, 846, 37, 795,
                                 591],
                                [861, 605, 491, 552, 577, 316, 923, 18, 304,
                                 237, 105, 132, 420, 458, 716, 500, 745, 488,
                                 419, 900],
                                [212, 651, 759, 532, 972, 701, 178, 862, 383,
                                 683, 647, 361, 804, 619, 203, 834, 177, 789,
                                 648, 172],
                                [824, 811, 117, 519, 107, 371, 638, 841, 931,
                                 397, 381, 19, 625, 501, 644, 332, 421, 616, 9,
                                 451],
                                [626, 774, 505, 848, 925, 320, 635, 85, 491,
                                 700, 980, 154, 778, 639, 893, 455, 491, 23,
                                 488, 902],
                                [842, 984, 751, 823, 776, 261, 411, 239, 490,
                                 828, 123, 248, 555, 308, 340, 997, 464, 901,
                                 931, 278],
                                [826, 354, 702, 996, 583, 195, 939, 381, 649,
                                 830, 991, 167, 337, 328, 237, 120, 678, 64,
                                 943, 232],
                                [393, 920, 761, 889, 953, 112, 493, 891, 517,
                                 937, 212, 549, 37, 800, 902, 200, 45, 958, 400,
                                 609],
                                [190, 982, 178, 364, 881, 102, 889, 873, 976,
                                 191, 973, 742, 680, 718, 585, 924, 638, 936,
                                 62, 644],
                                [565, 513, 575, 193, 561, 750, 953, 226, 691,
                                 562, 655, 294, 877, 651, 343, 328, 599, 277,
                                 883, 447],
                                [224, 782, 630, 902, 677, 276, 35, 489, 941,
                                 122, 950, 593, 808, 738, 901, 228, 621, 730,
                                 567, 484],
                                [252, 491, 679, 882, 157, 6, 674, 542, 384, 508,
                                 93, 981, 502, 342, 732, 265, 135, 309, 814,
                                 377],
                                [609, 16, 276, 999, 676, 620, 662, 276, 598, 79,
                                 983, 105, 959, 328, 7, 486, 112, 484, 117,
                                 970],
                                [592, 391, 807, 39, 654, 757, 676, 569, 589,
                                 920, 935, 443, 821, 220, 406, 551, 649, 605,
                                 753, 277],
                                [474, 183, 917, 831, 371, 55, 70, 631, 827, 1,
                                 526, 648, 466, 575, 916, 776, 237, 18, 671,
                                 244]]),
                         [907, 736, 956, 378, 282, 128, 890, 360, 476, 774, 662,
                          76, 440, 146, 260, 503, 594, 753, 601, 758, 616, 885,
                          693, 77, 591, 900, 172, 451, 902, 278, 232, 609, 644,
                          447, 484, 377, 970, 277, 244, 671, 18, 237, 776, 916,
                          575, 466, 648, 526, 1, 827, 631, 70, 55, 371, 831,
                          917, 183, 474, 592, 609, 252, 224, 565, 190, 393, 826,
                          842, 626, 824, 212, 861, 567, 490, 449, 252, 154, 508,
                          696, 345, 591, 993, 883, 517, 744, 441, 519, 59, 241,
                          932, 612, 853, 681, 580, 189, 645, 850, 851, 795, 419,
                          648, 9, 488, 931, 943, 400, 62, 883, 567, 814, 117,
                          753, 605, 649, 551, 406, 220, 821, 443, 935, 920, 589,
                          569, 676, 757, 654, 39, 807, 391, 16, 491, 782, 513,
                          982, 920, 354, 984, 774, 811, 651, 605, 200, 627, 571,
                          776, 960, 174, 414, 719, 865, 586, 514, 147, 885, 941,
                          624, 902, 920, 281, 788, 666, 368, 526, 37, 488, 789,
                          616, 23, 901, 64, 958, 936, 277, 730, 309, 484, 112,
                          486, 7, 328, 959, 105, 983, 79, 598, 276, 662, 620,
                          676, 999, 276, 679, 630, 575, 178, 761, 702, 751, 505,
                          117, 759, 491, 336, 711, 489, 461, 175, 497, 36, 529,
                          700, 833, 843, 360, 129, 148, 858, 887, 601, 586, 846,
                          745, 177, 421, 491, 464, 678, 45, 638, 599, 621, 135,
                          265, 732, 342, 502, 981, 93, 508, 384, 542, 674, 6,
                          157, 882, 902, 193, 364, 889, 996, 823, 848, 519, 532,
                          552, 555, 829, 183, 271, 1, 656, 384, 296, 344, 478,
                          251, 806, 930, 50, 500, 500, 834, 332, 455, 997, 120,
                          200, 924, 328, 228, 901, 738, 808, 593, 950, 122, 941,
                          489, 35, 276, 677, 561, 881, 953, 583, 776, 925, 107,
                          972, 577, 849, 867, 680, 585, 750, 865, 85, 520, 229,
                          438, 712, 716, 203, 644, 893, 340, 237, 902, 585, 343,
                          651, 877, 294, 655, 562, 691, 226, 953, 750, 102, 112,
                          195, 261, 320, 371, 701, 316, 923, 18, 304, 237, 105,
                          132, 420, 458, 619, 501, 639, 308, 328, 800, 718, 680,
                          742, 973, 191, 976, 873, 889, 493, 939, 411, 635, 638,
                          178, 862, 383, 683, 647, 361, 804, 625, 778, 555, 337,
                          37, 549, 212, 937, 517, 891, 381, 239, 85, 841, 931,
                          397, 381, 19, 154, 248, 167, 991, 830, 649, 490, 491,
                          700, 980, 123, 828])
    
    def test_snail_095(self):
        self.assertEqual(snail([[247, 36, 147, 670, 85, 302, 290, 318, 625, 571,
                                 925, 293, 329, 386, 513, 32],
                                [886, 355, 260, 484, 589, 633, 64, 999, 160,
                                 927, 937, 306, 722, 480, 171, 593],
                                [243, 262, 207, 601, 850, 221, 834, 478, 394, 6,
                                 926, 500, 705, 771, 947, 559],
                                [894, 64, 204, 221, 196, 17, 465, 978, 251, 395,
                                 208, 623, 457, 274, 198, 982],
                                [826, 24, 211, 166, 285, 800, 358, 180, 336,
                                 708, 965, 855, 607, 283, 186, 114],
                                [177, 887, 42, 168, 420, 708, 632, 953, 929,
                                 246, 355, 617, 576, 783, 892, 527],
                                [393, 714, 22, 905, 724, 749, 226, 128, 689,
                                 924, 203, 353, 502, 583, 363, 249],
                                [633, 275, 241, 730, 109, 748, 482, 465, 672,
                                 567, 739, 772, 677, 299, 492, 832],
                                [701, 706, 283, 866, 551, 893, 928, 136, 822,
                                 892, 100, 11, 686, 759, 780, 799],
                                [818, 515, 137, 699, 122, 187, 587, 708, 819,
                                 842, 689, 234, 229, 763, 484, 512],
                                [770, 663, 833, 676, 994, 54, 207, 133, 444,
                                 707, 541, 23, 588, 214, 752, 980],
                                [121, 54, 432, 672, 767, 47, 945, 497, 433, 422,
                                 913, 688, 703, 289, 933, 736],
                                [80, 683, 447, 359, 245, 935, 348, 196, 118,
                                 637, 938, 270, 532, 97, 647, 329],
                                [385, 201, 425, 426, 579, 166, 983, 31, 646,
                                 810, 156, 102, 151, 13, 212, 127],
                                [677, 439, 224, 931, 557, 572, 31, 122, 107,
                                 812, 796, 934, 956, 74, 372, 311],
                                [807, 154, 33, 598, 333, 42, 7, 937, 312, 911,
                                 186, 918, 962, 554, 746, 436]]),
                         [247, 36, 147, 670, 85, 302, 290, 318, 625, 571, 925,
                          293, 329, 386, 513, 32, 593, 559, 982, 114, 527, 249,
                          832, 799, 512, 980, 736, 329, 127, 311, 436, 746, 554,
                          962, 918, 186, 911, 312, 937, 7, 42, 333, 598, 33,
                          154, 807, 677, 385, 80, 121, 770, 818, 701, 633, 393,
                          177, 826, 894, 243, 886, 355, 260, 484, 589, 633, 64,
                          999, 160, 927, 937, 306, 722, 480, 171, 947, 198, 186,
                          892, 363, 492, 780, 484, 752, 933, 647, 212, 372, 74,
                          956, 934, 796, 812, 107, 122, 31, 572, 557, 931, 224,
                          439, 201, 683, 54, 663, 515, 706, 275, 714, 887, 24,
                          64, 262, 207, 601, 850, 221, 834, 478, 394, 6, 926,
                          500, 705, 771, 274, 283, 783, 583, 299, 759, 763, 214,
                          289, 97, 13, 151, 102, 156, 810, 646, 31, 983, 166,
                          579, 426, 425, 447, 432, 833, 137, 283, 241, 22, 42,
                          211, 204, 221, 196, 17, 465, 978, 251, 395, 208, 623,
                          457, 607, 576, 502, 677, 686, 229, 588, 703, 532, 270,
                          938, 637, 118, 196, 348, 935, 245, 359, 672, 676, 699,
                          866, 730, 905, 168, 166, 285, 800, 358, 180, 336, 708,
                          965, 855, 617, 353, 772, 11, 234, 23, 688, 913, 422,
                          433, 497, 945, 47, 767, 994, 122, 551, 109, 724, 420,
                          708, 632, 953, 929, 246, 355, 203, 739, 100, 689, 541,
                          707, 444, 133, 207, 54, 187, 893, 748, 749, 226, 128,
                          689, 924, 567, 892, 842, 819, 708, 587, 928, 482, 465,
                          672, 822, 136])
    
    def test_snail_096(self):
        self.assertEqual(snail([[433, 873, 34, 538, 182, 479, 447, 919, 491,
                                 799, 321, 798, 96, 351, 199, 595, 384],
                                [688, 520, 440, 10, 768, 283, 286, 980, 786,
                                 632, 724, 772, 776, 791, 526, 902, 143],
                                [221, 380, 963, 134, 81, 12, 212, 931, 854, 929,
                                 258, 266, 191, 692, 975, 245, 686],
                                [371, 60, 849, 373, 934, 222, 750, 480, 817,
                                 384, 623, 223, 965, 716, 502, 306, 419],
                                [137, 668, 412, 520, 759, 695, 35, 791, 512,
                                 272, 880, 453, 79, 2, 813, 383, 715],
                                [350, 505, 927, 713, 478, 969, 462, 3, 343, 237,
                                 219, 780, 231, 486, 539, 82, 129],
                                [405, 363, 901, 599, 117, 102, 317, 683, 880,
                                 226, 757, 863, 175, 434, 903, 555, 152],
                                [918, 331, 443, 864, 933, 126, 463, 526, 570,
                                 243, 866, 184, 895, 478, 413, 143, 900],
                                [976, 855, 41, 630, 829, 195, 443, 10, 447, 401,
                                 592, 779, 213, 162, 359, 592, 496],
                                [892, 131, 875, 900, 416, 266, 524, 162, 561,
                                 14, 148, 103, 869, 412, 229, 490, 961],
                                [589, 282, 373, 491, 878, 25, 541, 207, 642,
                                 380, 971, 581, 721, 500, 135, 98, 425],
                                [523, 846, 203, 737, 445, 213, 138, 238, 295,
                                 272, 338, 760, 539, 354, 195, 109, 271],
                                [948, 521, 513, 819, 497, 73, 487, 760, 899,
                                 687, 330, 409, 476, 725, 3, 261, 101],
                                [690, 406, 882, 6, 341, 931, 135, 659, 746, 960,
                                 709, 42, 621, 741, 6, 444, 496],
                                [351, 159, 223, 361, 865, 142, 82, 556, 953,
                                 789, 642, 491, 346, 912, 262, 534, 442],
                                [397, 421, 707, 864, 685, 406, 76, 577, 159,
                                 210, 885, 229, 54, 617, 945, 153, 928],
                                [778, 175, 280, 641, 290, 911, 692, 538, 48,
                                 480, 772, 400, 119, 691, 539, 728, 27]]),
                         [433, 873, 34, 538, 182, 479, 447, 919, 491, 799, 321,
                          798, 96, 351, 199, 595, 384, 143, 686, 419, 715, 129,
                          152, 900, 496, 961, 425, 271, 101, 496, 442, 928, 27,
                          728, 539, 691, 119, 400, 772, 480, 48, 538, 692, 911,
                          290, 641, 280, 175, 778, 397, 351, 690, 948, 523, 589,
                          892, 976, 918, 405, 350, 137, 371, 221, 688, 520, 440,
                          10, 768, 283, 286, 980, 786, 632, 724, 772, 776, 791,
                          526, 902, 245, 306, 383, 82, 555, 143, 592, 490, 98,
                          109, 261, 444, 534, 153, 945, 617, 54, 229, 885, 210,
                          159, 577, 76, 406, 685, 864, 707, 421, 159, 406, 521,
                          846, 282, 131, 855, 331, 363, 505, 668, 60, 380, 963,
                          134, 81, 12, 212, 931, 854, 929, 258, 266, 191, 692,
                          975, 502, 813, 539, 903, 413, 359, 229, 135, 195, 3,
                          6, 262, 912, 346, 491, 642, 789, 953, 556, 82, 142,
                          865, 361, 223, 882, 513, 203, 373, 875, 41, 443, 901,
                          927, 412, 849, 373, 934, 222, 750, 480, 817, 384, 623,
                          223, 965, 716, 2, 486, 434, 478, 162, 412, 500, 354,
                          725, 741, 621, 42, 709, 960, 746, 659, 135, 931, 341,
                          6, 819, 737, 491, 900, 630, 864, 599, 713, 520, 759,
                          695, 35, 791, 512, 272, 880, 453, 79, 231, 175, 895,
                          213, 869, 721, 539, 476, 409, 330, 687, 899, 760, 487,
                          73, 497, 445, 878, 416, 829, 933, 117, 478, 969, 462,
                          3, 343, 237, 219, 780, 863, 184, 779, 103, 581, 760,
                          338, 272, 295, 238, 138, 213, 25, 266, 195, 126, 102,
                          317, 683, 880, 226, 757, 866, 592, 148, 971, 380, 642,
                          207, 541, 524, 443, 463, 526, 570, 243, 401, 14, 561,
                          162, 10, 447])
    
    def test_snail_097(self):
        self.assertEqual(snail(
                [[631, 668, 646, 712, 825], [953, 573, 100, 756, 783],
                 [445, 553, 384, 130, 668], [157, 805, 969, 18, 304],
                 [551, 676, 558, 200, 793]]),
                         [631, 668, 646, 712, 825, 783, 668, 304, 793, 200, 558,
                          676, 551, 157, 445, 953, 573, 100, 756, 130, 18, 969,
                          805, 553, 384])
    
    def test_snail_098(self):
        self.assertEqual(snail(
                [[236, 796, 566, 79, 878, 3], [813, 495, 352, 703, 329, 840],
                 [874, 879, 560, 307, 997, 4], [596, 458, 407, 889, 536, 319],
                 [334, 151, 460, 511, 411, 855],
                 [144, 572, 272, 495, 545, 622]]),
                         [236, 796, 566, 79, 878, 3, 840, 4, 319, 855, 622, 545,
                          495, 272, 572, 144, 334, 596, 874, 813, 495, 352, 703,
                          329, 997, 536, 411, 511, 460, 151, 458, 879, 560, 307,
                          889, 407])
    
    def test_snail_099(self):
        self.assertEqual(snail(
                [[222, 261, 661, 331, 511, 364], [571, 689, 58, 265, 565, 413],
                 [68, 5, 853, 541, 890, 410], [571, 71, 770, 563, 603, 521],
                 [42, 417, 725, 971, 15, 780], [958, 98, 870, 20, 856, 994]]),
                         [222, 261, 661, 331, 511, 364, 413, 410, 521, 780, 994,
                          856, 20, 870, 98, 958, 42, 571, 68, 571, 689, 58, 265,
                          565, 890, 603, 15, 971, 725, 417, 71, 5, 853, 541,
                          563, 770])
    
    def test_snail_100(self):
        self.assertEqual(snail(
                [[641, 678, 48, 894, 850], [974, 949, 998, 825, 286],
                 [979, 768, 792, 384, 688], [430, 622, 694, 337, 275],
                 [494, 313, 309, 70, 415]]),
                         [641, 678, 48, 894, 850, 286, 688, 275, 415, 70, 309,
                          313, 494, 430, 979, 974, 949, 998, 825, 384, 337, 694,
                          622, 768, 792])
    
    def test_snail_101(self):
        self.assertEqual(snail(
                [[600, 786, 254, 655, 13], [815, 239, 774, 325, 57],
                 [499, 747, 251, 914, 861], [605, 594, 499, 646, 290],
                 [650, 496, 385, 387, 819]]),
                         [600, 786, 254, 655, 13, 57, 861, 290, 819, 387, 385,
                          496, 650, 605, 499, 815, 239, 774, 325, 914, 646, 499,
                          594, 747, 251])
    
    def test_snail_102(self):
        self.assertEqual(snail(
                [[903, 696, 410, 542, 956, 889], [381, 306, 48, 102, 268, 355],
                 [341, 279, 537, 59, 605, 18], [909, 865, 234, 770, 206, 806],
                 [784, 781, 945, 285, 355, 765],
                 [100, 748, 473, 319, 150, 998]]),
                         [903, 696, 410, 542, 956, 889, 355, 18, 806, 765, 998,
                          150, 319, 473, 748, 100, 784, 909, 341, 381, 306, 48,
                          102, 268, 605, 206, 355, 285, 945, 781, 865, 279, 537,
                          59, 770, 234])
    
    def test_snail_103(self):
        self.assertEqual(snail([[67, 123, 678, 842, 28, 690, 189, 182, 636, 645,
                                 118, 123, 95, 723],
                                [119, 324, 247, 8, 860, 329, 180, 791, 92, 5,
                                 896, 921, 157, 781],
                                [756, 950, 738, 573, 101, 446, 468, 594, 316,
                                 962, 708, 168, 889, 8],
                                [301, 352, 920, 673, 245, 759, 242, 43, 761,
                                 460, 76, 551, 315, 376],
                                [915, 367, 345, 8, 132, 840, 451, 965, 757, 558,
                                 94, 882, 847, 82],
                                [949, 651, 239, 941, 544, 782, 220, 763, 384,
                                 515, 840, 377, 809, 300],
                                [527, 728, 875, 620, 247, 792, 385, 44, 925,
                                 697, 947, 541, 224, 364],
                                [824, 885, 723, 353, 77, 915, 880, 339, 809,
                                 919, 931, 569, 980, 357],
                                [89, 100, 893, 516, 786, 59, 365, 967, 122, 103,
                                 55, 42, 683, 101],
                                [281, 457, 924, 813, 624, 997, 346, 613, 116,
                                 655, 465, 786, 936, 94],
                                [185, 898, 588, 272, 712, 367, 435, 660, 152,
                                 896, 792, 670, 272, 397],
                                [891, 754, 108, 844, 44, 648, 684, 571, 201,
                                 745, 440, 88, 511, 214],
                                [130, 632, 977, 354, 353, 918, 736, 349, 662,
                                 185, 31, 307, 460, 17],
                                [910, 947, 686, 668, 857, 345, 654, 678, 27, 78,
                                 445, 639, 130, 970]]),
                         [67, 123, 678, 842, 28, 690, 189, 182, 636, 645, 118,
                          123, 95, 723, 781, 8, 376, 82, 300, 364, 357, 101, 94,
                          397, 214, 17, 970, 130, 639, 445, 78, 27, 678, 654,
                          345, 857, 668, 686, 947, 910, 130, 891, 185, 281, 89,
                          824, 527, 949, 915, 301, 756, 119, 324, 247, 8, 860,
                          329, 180, 791, 92, 5, 896, 921, 157, 889, 315, 847,
                          809, 224, 980, 683, 936, 272, 511, 460, 307, 31, 185,
                          662, 349, 736, 918, 353, 354, 977, 632, 754, 898, 457,
                          100, 885, 728, 651, 367, 352, 950, 738, 573, 101, 446,
                          468, 594, 316, 962, 708, 168, 551, 882, 377, 541, 569,
                          42, 786, 670, 88, 440, 745, 201, 571, 684, 648, 44,
                          844, 108, 588, 924, 893, 723, 875, 239, 345, 920, 673,
                          245, 759, 242, 43, 761, 460, 76, 94, 840, 947, 931,
                          55, 465, 792, 896, 152, 660, 435, 367, 712, 272, 813,
                          516, 353, 620, 941, 8, 132, 840, 451, 965, 757, 558,
                          515, 697, 919, 103, 655, 116, 613, 346, 997, 624, 786,
                          77, 247, 544, 782, 220, 763, 384, 925, 809, 122, 967,
                          365, 59, 915, 792, 385, 44, 339, 880])
    
    def test_snail_104(self):
        self.assertEqual(snail(
                [[676, 9, 91, 957, 699, 130, 983, 164, 75, 728, 784, 125],
                 [959, 741, 710, 154, 452, 919, 66, 444, 298, 140, 516, 760],
                 [969, 514, 898, 621, 984, 616, 724, 738, 410, 758, 829, 482],
                 [82, 491, 417, 173, 563, 494, 155, 763, 850, 915, 625, 396],
                 [407, 299, 773, 4, 428, 630, 822, 484, 922, 625, 114, 116],
                 [571, 180, 379, 284, 947, 688, 749, 312, 502, 935, 879, 166],
                 [641, 719, 73, 623, 940, 590, 81, 644, 997, 378, 847, 501],
                 [143, 843, 814, 259, 354, 459, 804, 43, 854, 1000, 382, 717],
                 [602, 64, 272, 149, 285, 862, 958, 662, 556, 426, 259, 197],
                 [341, 882, 400, 559, 227, 498, 699, 298, 354, 739, 67, 465],
                 [43, 85, 467, 557, 614, 63, 680, 434, 937, 472, 488, 243],
                 [978, 607, 559, 134, 531, 907, 4, 813, 259, 203, 384, 836]]),
                         [676, 9, 91, 957, 699, 130, 983, 164, 75, 728, 784,
                          125, 760, 482, 396, 116, 166, 501, 717, 197, 465, 243,
                          836, 384, 203, 259, 813, 4, 907, 531, 134, 559, 607,
                          978, 43, 341, 602, 143, 641, 571, 407, 82, 969, 959,
                          741, 710, 154, 452, 919, 66, 444, 298, 140, 516, 829,
                          625, 114, 879, 847, 382, 259, 67, 488, 472, 937, 434,
                          680, 63, 614, 557, 467, 85, 882, 64, 843, 719, 180,
                          299, 491, 514, 898, 621, 984, 616, 724, 738, 410, 758,
                          915, 625, 935, 378, 1000, 426, 739, 354, 298, 699,
                          498, 227, 559, 400, 272, 814, 73, 379, 773, 417, 173,
                          563, 494, 155, 763, 850, 922, 502, 997, 854, 556, 662,
                          958, 862, 285, 149, 259, 623, 284, 4, 428, 630, 822,
                          484, 312, 644, 43, 804, 459, 354, 940, 947, 688, 749,
                          81, 590])
    
    def test_snail_105(self):
        self.assertEqual(snail([[221, 977, 163, 642, 495, 250, 823, 751, 152,
                                 681, 814, 539, 941],
                                [468, 2, 934, 705, 319, 208, 994, 960, 167, 267,
                                 861, 499, 535],
                                [516, 31, 300, 893, 235, 842, 13, 44, 235, 236,
                                 590, 711, 174],
                                [485, 83, 36, 462, 822, 458, 963, 829, 626, 699,
                                 602, 248, 286],
                                [978, 561, 292, 53, 972, 119, 694, 401, 852,
                                 589, 498, 115, 828],
                                [737, 896, 881, 863, 502, 217, 584, 390, 621,
                                 373, 777, 312, 425],
                                [453, 827, 774, 783, 322, 350, 606, 786, 709,
                                 627, 579, 314, 700],
                                [651, 203, 681, 752, 10, 116, 64, 885, 121, 445,
                                 385, 283, 307],
                                [884, 35, 523, 791, 169, 338, 411, 749, 48, 662,
                                 878, 314, 802],
                                [137, 755, 589, 409, 870, 857, 687, 37, 818,
                                 206, 952, 505, 337],
                                [695, 928, 533, 370, 363, 71, 386, 823, 685,
                                 859, 107, 313, 958],
                                [58, 267, 988, 746, 601, 767, 701, 27, 565, 434,
                                 734, 942, 572],
                                [405, 442, 424, 298, 14, 428, 699, 906, 900,
                                 928, 97, 783, 273]]),
                         [221, 977, 163, 642, 495, 250, 823, 751, 152, 681, 814,
                          539, 941, 535, 174, 286, 828, 425, 700, 307, 802, 337,
                          958, 572, 273, 783, 97, 928, 900, 906, 699, 428, 14,
                          298, 424, 442, 405, 58, 695, 137, 884, 651, 453, 737,
                          978, 485, 516, 468, 2, 934, 705, 319, 208, 994, 960,
                          167, 267, 861, 499, 711, 248, 115, 312, 314, 283, 314,
                          505, 313, 942, 734, 434, 565, 27, 701, 767, 601, 746,
                          988, 267, 928, 755, 35, 203, 827, 896, 561, 83, 31,
                          300, 893, 235, 842, 13, 44, 235, 236, 590, 602, 498,
                          777, 579, 385, 878, 952, 107, 859, 685, 823, 386, 71,
                          363, 370, 533, 589, 523, 681, 774, 881, 292, 36, 462,
                          822, 458, 963, 829, 626, 699, 589, 373, 627, 445, 662,
                          206, 818, 37, 687, 857, 870, 409, 791, 752, 783, 863,
                          53, 972, 119, 694, 401, 852, 621, 709, 121, 48, 749,
                          411, 338, 169, 10, 322, 502, 217, 584, 390, 786, 885,
                          64, 116, 350, 606])