Coordinate X: Y: Search

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