Coordinate X: Y: Search

71 57 71 58 71 59 71 60 71 61 71 62 71 63 71 64 71 65 71 66 71 67 71 68 71 69 71 70 71 71 71 72 71 73 71 74 71 75 71 76 71 77 71 78 71 79 71 80 71 81 71 82 71 83 71 84 71 85 71 86 71 87 1978 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968 1967 1966 1965 1964 1963

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