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81 5 81 6 81 7 81 8 81 9 82 0 82 1 82 2 82 3 82 4 82 5 82 6 82 7 82 8 82 9 83 0 1245 1244 1243 1242 1241 1240 1239 1238 1237 1236 1235 1234 1233 1232 1231

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