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45 5 45 6 45 7 45 8 45 9 46 0 46 1 46 2 46 3 46 4 46 5 1900 1899 1898 1897 1896 1895 1894 1893 1892 1891

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