Coordinate X: Y: Search

18 41 0 18 41 1 18 41 2 18 41 3 18 41 4 18 41 5 18 41 6 18 41 7 18 41 8 18 41 9 18 42 0 18 42 1 18 42 2 18 42 3 18 42 4 18 42 5 18 42 6 18 42 7 18 42 8 18 42 9 18 43 0 18 43 1 18 43 2 18 43 3 18 43 4 18 43 5 18 43 6 18 43 7 18 43 8 18 43 9 18 44 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