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77 62 77 63 77 64 77 65 77 66 77 67 77 68 77 69 77 70 77 71 77 72 36463 36462 36461 36460 36459 36458 36457 36456 36455 36454

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