Coordinate X: Y: Search

50 17 0 50 17 1 50 17 2 50 17 3 50 17 4 50 17 5 50 17 6 50 17 7 50 17 8 50 17 9 50 18 0 50 18 1 50 18 2 50 18 3 50 18 4 50 18 5 50 18 6 50 18 7 50 18 8 50 18 9 50 19 0 50 19 1 50 19 2 50 19 3 50 19 4 50 19 5 50 19 6 50 19 7 50 19 8 50 19 9 50 20 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