Coordinate X: Y: Search

37 20 0 37 20 1 37 20 2 37 20 3 37 20 4 37 20 5 37 20 6 37 20 7 37 20 8 37 20 9 37 21 0 37 21 1 37 21 2 37 21 3 37 21 4 37 21 5 37 21 6 37 21 7 37 21 8 37 21 9 37 22 0 37 22 1 37 22 2 37 22 3 37 22 4 37 22 5 37 22 6 37 22 7 37 22 8 37 22 9 37 23 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