Coordinate X: Y: Search

50 71 0 50 71 1 50 71 2 50 71 3 50 71 4 50 71 5 50 71 6 50 71 7 50 71 8 50 71 9 50 72 0 50 72 1 50 72 2 50 72 3 50 72 4 50 72 5 50 72 6 50 72 7 50 72 8 50 72 9 50 73 0 50 73 1 50 73 2 50 73 3 50 73 4 50 73 5 50 73 6 50 73 7 50 73 8 50 73 9 50 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