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51 46 2 51 46 3 51 46 4 51 46 5 51 46 6 51 46 7 51 46 8 51 46 9 51 47 0 51 47 1 51 47 2 51 47 3 51 47 4 51 47 5 51 47 6 51 47 7 18147 18146 18145 18144 18143 18142 18141 18140 18139 18138 18137 18136 18135 18134 18133

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