Coordinate X: Y: Search

53 47 53 48 53 49 53 50 53 51 53 52 53 53 53 54 53 55 53 56 53 57 53 58 53 59 53 60 53 61 53 62 53 63 53 64 53 65 53 66 53 67 53 68 53 69 53 70 53 71 53 72 53 73 53 74 53 75 53 76 53 77 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