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27 8 27 9 28 0 28 1 28 2 28 3 28 4 28 5 28 6 28 7 28 8 2117 2116 2115 2114 2113 2112 2111 2110 2109 2108

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