Coordinate X: Y: Search

15 71 0 15 71 1 15 71 2 15 71 3 15 71 4 15 71 5 15 71 6 15 71 7 15 71 8 15 71 9 15 72 0 15 72 1 15 72 2 15 72 3 15 72 4 15 72 5 15 72 6 15 72 7 15 72 8 15 72 9 15 73 0 15 73 1 15 73 2 15 73 3 15 73 4 15 73 5 15 73 6 15 73 7 15 73 8 15 73 9 15 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