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52 0 52 1 52 2 52 3 52 4 52 5 52 6 52 7 52 8 52 9 53 0 1146 1145 1144 1143 1142 1141 1140 1139 1138 1137

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