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30 31 2 30 31 3 30 31 4 30 31 5 30 31 6 30 31 7 30 31 8 30 31 9 30 32 0 30 32 1 30 32 2 30 32 3 30 32 4 30 32 5 30 32 6 30 32 7 39187 39186 39185 39184 39183 39182 39181 39180 39179 39178 39177 39176 39175 39174 39173

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