《320期》半数<<02,03,04,06,07,09,10,11,15,16,18,21,23,25,28,32,36,37,38,39,42,43,46,49>>】开28准
《321期》半数<<01,02,06,07,09,11,12,14,15,16,19,21,27,28,29,30,33,34,37,39,40,41,45,47>>】开23错
《322期》半数<<01,02,03,04,05,07,08,09,11,12,14,15,21,22,23,26,27,29,31,33,35,43,44,47>>】开47准
《323期》半数<<02,04,05,06,08,12,13,14,15,16,18,21,23,27,30,31,34,37,38,39,40,45,48,49>>】开？？