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