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22 3 22 4 22 5 22 6 22 7 22 8 22 9 23 0 23 1 23 2 23 3 1947 1946 1945 1944 1943 1942 1941 1940 1939 1938

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