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53 3 53 4 53 5 53 6 53 7 53 8 53 9 54 0 54 1 54 2 54 3 2118 2117 2116 2115 2114 2113 2112 2111 2110 2109

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