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65 8 65 9 66 0 66 1 66 2 66 3 66 4 66 5 66 6 66 7 66 8 66 9 67 0 67 1 67 2 67 3 1234 1233 1232 1231 1230 1229 1228 1227 1226 1225 1224 1223 1222 1221 1220

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