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