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38 9 39 0 39 1 39 2 39 3 39 4 39 5 39 6 39 7 39 8 39 9 40 0 40 1 40 2 40 3 40 4 1956 1955 1954 1953 1952 1951 1950 1949 1948 1947 1946 1945 1944 1943 1942

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