1979 1970 1976 1973
1979 1972 1978 1975
1977 1973 1971 1975
1970 1976 1979 1973
1978 1973 1970 1976
1979 1975 1971 1977
1979 1975 1977 1973
1976 1978 1970 1972
1979 1970 1974 1976