1981,1982,1982,1983,1984,1984,1985,1985,1986,1986,1987,1987,1988,1989,1990,1991,1991,1991,1992,1992,1991,1991,1991,1991,1990,1990,1989,1988,1987,1987,1986,1986,1985,1985,1984,1983,1982,1982,1981,1981,1981,1981,1981,1981;859,859,858,858,858,857,857,856,856,855,855,854,854,854,854,854,855,856,856,857,857,858,859,860,860,861,861,861,861,862,862,863,863,864,864,864,864,863,863,862,861,860,859,859