1982 1988 1984 1986
1987 1981 1985 1983
1987 1983 1985 1981
1986 1989 1980 1983
1980 1988 1982 1986
1984 1982 1980 1988
1989 1985 1987 1983
1982 1980 1984 1986
1985 1980 1989 1982