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51 43 2 51 43 3 51 43 4 51 43 5 51 43 6 51 43 7 51 43 8 51 43 9 51 44 0 51 44 1 51 44 2 51 44 3 51 44 4 51 44 5 51 44 6 51 44 7 18157 18156 18155 18154 18153 18152 18151 18150 18149 18148 18147 18146 18145 18144 18143

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