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18 07 18 08 18 09 18 10 18 11 18 12 18 13 18 14 18 15 18 16 18 17 1945 1944 1943 1942 1941 1940 1939 1938 1937 1936

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