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40 4 40 5 40 6 40 7 40 8 40 9 41 0 41 1 41 2 41 3 41 4 41 5 41 6 41 7 41 8 41 9 1899 1898 1897 1896 1895 1894 1893 1892 1891 1890 1889 1888 1887 1886 1885

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