2433,2432,2430,2427,2424,2427,2431,2437,2441,2444,2447,2452,2450,2448,2447,2445,2441,2435;1989,1986,1981,1976,1974,1972,1968,1966,1967,1971,1971,1971,1975,1979,1983,1987,1988,1989