Coordinate X: Y: Search

21 89 0 21 89 1 21 89 2 21 89 3 21 89 4 21 89 5 21 89 6 21 89 7 21 89 8 21 89 9 21 90 0 21 90 1 21 90 2 21 90 3 21 90 4 21 90 5 21 90 6 21 90 7 21 90 8 21 90 9 21 91 0 21 91 1 21 91 2 21 91 3 21 91 4 21 91 5 21 91 6 21 91 7 21 91 8 21 91 9 21 92 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