《309期》半数<<01,02,03,06,07,10,12,15,17,18,20,21,24,27,29,30,31,32,33,34,36,39,41,48>>】开06准
《310期》半数<<02,03,12,13,14,16,19,20,21,22,23,24,26,29,30,31,32,35,36,38,39,41,45,49>>】开16准
《311期》半数<<02,03,04,07,10,13,14,17,18,19,22,23,24,26,28,34,35,37,41,42,43,45,47,48>>】开37准
《312期》半数<<03,05,06,08,13,14,15,16,22,23,27,28,29,31,32,34,37,38,39,42,43,45,46,48>>】开？？