Coordinate X: Y: Search

18 88 0 18 88 1 18 88 2 18 88 3 18 88 4 18 88 5 18 88 6 18 88 7 18 88 8 18 88 9 18 89 0 18 89 1 18 89 2 18 89 3 18 89 4 18 89 5 18 89 6 18 89 7 18 89 8 18 89 9 18 90 0 18 90 1 18 90 2 18 90 3 18 90 4 18 90 5 18 90 6 18 90 7 18 90 8 18 90 9 18 91 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