Coordinate X: Y: Search

39 40 39 41 39 42 39 43 39 44 39 45 39 46 39 47 39 48 39 49 39 50 39 51 39 52 39 53 39 54 39 55 39 56 39 57 39 58 39 59 39 60 39 61 39 62 39 63 39 64 39 65 39 66 39 67 39 68 39 69 39 70 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