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18 85 3 18 85 4 18 85 5 18 85 6 18 85 7 18 85 8 18 85 9 18 86 0 18 86 1 18 86 2 18 86 3 18 86 4 18 86 5 18 86 6 18 86 7 18 86 8 27907 27906 27905 27904 27903 27902 27901 27900 27899 27898 27897 27896 27895 27894 27893

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