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72 97 72 98 72 99 73 00 73 01 73 02 73 03 73 04 73 05 73 06 73 07 8195 8194 8193 8192 8191 8190 8189 8188 8187 8186

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