Coordinate X: Y: Search

99 20 99 21 99 22 99 23 99 24 99 25 99 26 99 27 99 28 99 29 99 30 99 31 99 32 99 33 99 34 99 35 99 36 99 37 99 38 99 39 99 40 99 41 99 42 99 43 99 44 99 45 99 46 99 47 99 48 99 49 99 50 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