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