Coordinate X: Y: Search

89 90 89 91 89 92 89 93 89 94 89 95 89 96 89 97 89 98 89 99 90 00 90 01 90 02 90 03 90 04 90 05 90 06 90 07 90 08 90 09 90 10 90 11 90 12 90 13 90 14 90 15 90 16 90 17 90 18 90 19 90 20 1959 1958 1957 1956 1955 1954 1953 1952 1951 1950 1949 1948 1947 1946 1945 1944

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