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