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16 8 16 9 17 0 17 1 17 2 17 3 17 4 17 5 17 6 17 7 17 8 17 9 18 0 18 1 18 2 18 3 1129 1128 1127 1126 1125 1124 1123 1122 1121 1120 1119 1118 1117 1116 1115

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