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80 3 80 4 80 5 80 6 80 7 80 8 80 9 81 0 81 1 81 2 81 3 2147 2146 2145 2144 2143 2142 2141 2140 2139 2138

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