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