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12 01 12 02 12 03 12 04 12 05 12 06 12 07 12 08 12 09 12 10 12 11 1889 1888 1887 1886 1885 1884 1883 1882 1881 1880

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