Coordinate X: Y: Search

77 7 77 8 77 9 78 0 78 1 78 2 78 3 78 4 78 5 78 6 78 7 78 8 78 9 79 0 79 1 79 2 79 3 79 4 79 5 79 6 79 7 79 8 79 9 80 0 80 1 80 2 80 3 80 4 80 5 80 6 80 7 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973

= Free Coordinate    = Occupied(Single Region)     = Occupied (Var Region)     = Center of the grid