Coordinate X: Y: Search

18 31 0 18 31 1 18 31 2 18 31 3 18 31 4 18 31 5 18 31 6 18 31 7 18 31 8 18 31 9 18 32 0 18 32 1 18 32 2 18 32 3 18 32 4 18 32 5 18 32 6 18 32 7 18 32 8 18 32 9 18 33 0 18 33 1 18 33 2 18 33 3 18 33 4 18 33 5 18 33 6 18 33 7 18 33 8 18 33 9 18 34 0 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974

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