Coordinate X: Y: Search

80 20 80 21 80 22 80 23 80 24 80 25 80 26 80 27 80 28 80 29 80 30 80 31 80 32 80 33 80 34 80 35 80 36 80 37 80 38 80 39 80 40 80 41 80 42 80 43 80 44 80 45 80 46 80 47 80 48 80 49 80 50 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968 1967 1966 1965 1964

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