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79 5 79 6 79 7 79 8 79 9 80 0 80 1 80 2 80 3 80 4 80 5 2149 2148 2147 2146 2145 2144 2143 2142 2141 2140

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