307期:大围:01,02,03,05,06,07,08,09,11,12,15,16,18,20,21,22,23,27,29,32,34,37,39,40,41,45,47,48(共半数)开22准
308期:大围:04,06,07,08,09,10,12,13,14,16,18,19,20,21,22,24,26,27,33,34,36,37,38,39,40,43,46,48(共半数)开18准
309期:大围:01,05,06,07,08,09,11,12,13,16,17,22,24,25,28,30,32,35,36,38,40,41,43,44,45,47,48,49(共半数)开49准
310期:大围:03,04,05,06,07,09,13,14,16,18,19,22,23,26,27,28,30,32,33,36,38,39,44,45,46,47,48,49(共半数)开??√【?中?】