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