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