Coordinate X: Y: Search

20 81 0 20 81 1 20 81 2 20 81 3 20 81 4 20 81 5 20 81 6 20 81 7 20 81 8 20 81 9 20 82 0 20 82 1 20 82 2 20 82 3 20 82 4 20 82 5 20 82 6 20 82 7 20 82 8 20 82 9 20 83 0 20 83 1 20 83 2 20 83 3 20 83 4 20 83 5 20 83 6 20 83 7 20 83 8 20 83 9 20 84 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