Coordinate X: Y: Search

18 71 0 18 71 1 18 71 2 18 71 3 18 71 4 18 71 5 18 71 6 18 71 7 18 71 8 18 71 9 18 72 0 18 72 1 18 72 2 18 72 3 18 72 4 18 72 5 18 72 6 18 72 7 18 72 8 18 72 9 18 73 0 18 73 1 18 73 2 18 73 3 18 73 4 18 73 5 18 73 6 18 73 7 18 73 8 18 73 9 18 74 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