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61 30 9 61 31 0 61 31 1 61 31 2 61 31 3 61 31 4 61 31 5 61 31 6 61 31 7 61 31 8 61 31 9 2143 2142 2141 2140 2139 2138 2137 2136 2135 2134

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