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90 3 90 4 90 5 90 6 90 7 90 8 90 9 91 0 91 1 91 2 91 3 91 4 91 5 91 6 91 7 91 8 199 198 197 196 195 194 193 192 191 190 189 188 187 186 185

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