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64 63 64 64 64 65 64 66 64 67 64 68 64 69 64 70 64 71 64 72 64 73 8914 8913 8912 8911 8910 8909 8908 8907 8906 8905

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