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31 71 9 31 72 0 31 72 1 31 72 2 31 72 3 31 72 4 31 72 5 31 72 6 31 72 7 31 72 8 31 72 9 31 73 0 31 73 1 31 73 2 31 73 3 31 73 4 31 73 5 31 73 6 31 73 7 31 73 8 31 73 9 31 74 0 31 74 1 38080 38079 38078 38077 38076 38075 38074 38073 38072 38071 38070 38069 38068 38067 38066 38065 38064 38063 38062 38061 38060 38059

= Free Coordinate    = Occupied(Single Region)     = Occupied (Var Region)     = Center of the grid