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11 99 12 00 12 01 12 02 12 03 12 04 12 05 12 06 12 07 12 08 12 09 1941 1940 1939 1938 1937 1936 1935 1934 1933 1932

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