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11 40 11 41 11 42 11 43 11 44 11 45 11 46 11 47 11 48 11 49 11 50 1898 1897 1896 1895 1894 1893 1892 1891 1890 1889

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