Coordinate X: Y: Search

13 17 0 13 17 1 13 17 2 13 17 3 13 17 4 13 17 5 13 17 6 13 17 7 13 17 8 13 17 9 13 18 0 13 18 1 13 18 2 13 18 3 13 18 4 13 18 5 13 18 6 13 18 7 13 18 8 13 18 9 13 19 0 13 19 1 13 19 2 13 19 3 13 19 4 13 19 5 13 19 6 13 19 7 13 19 8 13 19 9 13 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