1981,1982,1982,1982,1983,1984,1985,1985,1986,1986,1987,1987,1988,1989,1990,1990,1991,1991,1992,1992,1992,1993,1993,1992,1992,1992,1992,1991,1991,1990,1989,1989,1988,1988,1987,1987,1986,1986,1985,1985,1984,1984,1984,1983,1982,1982,1981,1981,1981,1981,1981,1981;866,866,865,864,864,864,864,863,863,862,862,861,861,861,861,862,862,863,863,864,865,865,866,866,867,868,869,869,870,870,870,871,871,872,872,873,873,874,874,873,873,872,871,871,871,870,870,869,868,867,866,866