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81 7 81 8 81 9 82 0 82 1 82 2 82 3 82 4 82 5 82 6 82 7 1147 1146 1145 1144 1143 1142 1141 1140 1139 1138

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