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72 96 72 97 72 98 72 99 73 00 73 01 73 02 73 03 73 04 73 05 73 06 8187 8186 8185 8184 8183 8182 8181 8180 8179 8178

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