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70 7 70 8 70 9 71 0 71 1 71 2 71 3 71 4 71 5 71 6 71 7 1943 1942 1941 1940 1939 1938 1937 1936 1935 1934

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