339期半数<<01,02,04,05,06,07,13,17,21,22,23,25,26,28,29,30,31,32,33,34,36,38,40,41,42,44,46,48>>】开29准
340期半数<<01,02,05,06,09,10,11,12,14,15,20,21,22,23,25,27,28,29,30,31,32,33,34,35,40,42,47,48>>】开29准
341期半数<<01,02,03,04,05,06,07,09,12,14,19,20,23,24,26,28,29,31,33,34,36,37,40,41,42,45,48,49>>】开？？