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49 66 2 49 66 3 49 66 4 49 66 5 49 66 6 49 66 7 49 66 8 49 66 9 49 67 0 49 67 1 49 67 2 49 67 3 49 67 4 49 67 5 49 67 6 49 67 7 20197 20196 20195 20194 20193 20192 20191 20190 20189 20188 20187 20186 20185 20184 20183

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