2421,2419,2420,2420,2423,2423,2423,2424,2424,2423,2424,2425,2426,2427,2428,2429,2430,2431,2433,2433,2432,2432,2430,2428,2428,2425,2422;815,813,812,810,809,808,806,805,804,803,802,802,801,801,803,804,806,807,808,809,810,811,813,813,812,813,814