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11 98 11 99 12 00 12 01 12 02 12 03 12 04 12 05 12 06 12 07 12 08 1899 1898 1897 1896 1895 1894 1893 1892 1891 1890

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