fix incorrect RHW-3 T intersections (direction of RHW-3)

The correct rules are copied from the following files, which seem to
duplicate some of these rules:

    Controller/RUL2/07_RHW/Sec7b_BaseNetwork/T01A_Road_ThruT_OxO.txt
    Controller/RUL2/07_RHW/Sec7b_BaseNetwork/T01B_Road_ThruT_OxO.txt

Author: memo33