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81 3 81 4 81 5 81 6 81 7 81 8 81 9 82 0 82 1 82 2 82 3 2345 2344 2343 2342 2341 2340 2339 2338 2337 2336

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