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71 8 71 9 72 0 72 1 72 2 72 3 72 4 72 5 72 6 72 7 72 8 1131 1130 1129 1128 1127 1126 1125 1124 1123 1122

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