Wrong number of walls in the json files

[Kyle-Xu001]

L-shaped should have 6 walls in total, but the results are given 8 walls. Meanwhile, the overall WWR is wrong.

{
    "overall":
    {
        "wwr": 0.12857142857142856
    },
    "0":
    {
        "center":
        [
            -4.0,
            -6.0,
            7.0
        ],
        "direction":
        [
            -1.0,
            0.0,
            0.0
        ],
        "domain":
        [
            [
                -4.0,
                -4.0
            ],
            [
                -7.5,
                -4.5
            ],
            [
                -4.76837158203125E-7,
                14.0
            ]
        ],
        "wwr": 0.0,
        "area": 42.0
    },
    "1":
    {
        "center":
        [
            -11.0,
            1.5000004768371582,
            7.0
        ],
        "direction":
        [
            -1.0,
            0.0,
            0.0
        ],
        "domain":
        [
            [
                -11.0,
                -11.0
            ],
            [
                -4.5,
                7.500000953674316
            ],
            [
                -4.76837158203125E-7,
                14.0
            ]
        ],
        "wwr": 0.1607142711172312,
        "area": 168.00001525878906
    },
    "2":
    {
        "center":
        [
            0.0,
            -7.5,
            7.0
        ],
        "direction":
        [
            0.0,
            -1.0,
            0.0
        ],
        "domain":
        [
            [
                -4.0,
                4.0
            ],
            [
                -7.5,
                -7.5
            ],
            [
                -4.76837158203125E-7,
                14.0
            ]
        ],
        "wwr": 0.12053571428571429,
        "area": 112.0
    },
    "3":
    {
        "center":
        [
            -7.5,
            -4.5,
            7.0
        ],
        "direction":
        [
            0.0,
            -1.0,
            0.0
        ],
        "domain":
        [
            [
                -11.0,
                -4.0
            ],
            [
                -4.5,
                -4.5
            ],
            [
                -4.76837158203125E-7,
                14.0
            ]
        ],
        "wwr": 0.2755102040816326,
        "area": 98.0
    },
    "4":
    {
        "center":
        [
            0.5,
            7.5,
            7.0
        ],
        "direction":
        [
            0.0,
            1.0,
            0.0
        ],
        "domain":
        [
            [
                -3.0,
                4.0
            ],
            [
                7.5,
                7.5
            ],
            [
                -4.76837158203125E-7,
                14.0
            ]
        ],
        "wwr": 0.2755102040816326,
        "area": 98.0
    },
    "5":
    {
        "center":
        [
            -7.0,
            7.500000953674316,
            7.0
        ],
        "direction":
        [
            0.0,
            1.0,
            0.0
        ],
        "domain":
        [
            [
                -11.0,
                -3.0
            ],
            [
                7.500000953674316,
                7.500000953674316
            ],
            [
                -4.76837158203125E-7,
                14.0
            ]
        ],
        "wwr": 0.24107142857142858,
        "area": 112.0
    },
    "6":
    {
        "center":
        [
            4.0,
            0.0,
            7.0
        ],
        "direction":
        [
            1.0,
            0.0,
            0.0
        ],
        "domain":
        [
            [
                4.0,
                4.0
            ],
            [
                -7.5,
                7.5
            ],
            [
                -4.76837158203125E-7,
                14.0
            ]
        ],
        "wwr": 0.12857142857142856,
        "area": 210.0
    },
    "7":
    {
        "center":
        [
            -3.0,
            7.500000476837158,
            7.0
        ],
        "direction":
        [
            1.0,
            0.0,
            0.0
        ],
        "domain":
        [
            [
                -3.0,
                -3.0
            ],
            [
                7.5,
                7.500000953674316
            ],
            [
                -4.76837158203125E-7,
                14.0
            ]
        ],
        "wwr": 0.0,
        "area": 0.0000133514404296875
    }
}