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78 2 78 3 78 4 78 5 78 6 78 7 78 8 78 9 79 0 79 1 79 2 2146 2145 2144 2143 2142 2141 2140 2139 2138 2137

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