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12 53 12 54 12 55 12 56 12 57 12 58 12 59 12 60 12 61 12 62 12 63 12 64 12 65 12 66 12 67 12 68 12 69 12 70 12 71 12 72 12 73 12 74 12 75 12 76 12 77 12 78 12 79 12 80 12 81 12 82 12 83 1960 1959 1958 1957 1956 1955 1954 1953 1952 1951 1950 1949 1948 1947 1946 1945 1944 1943 1942 1941 1940 1939 1938 1937 1936 1935 1934 1933 1932 1931

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