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77 8 77 9 78 0 78 1 78 2 78 3 78 4 78 5 78 6 78 7 78 8 2119 2118 2117 2116 2115 2114 2113 2112 2111 2110

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