307期：《《02,03,06,09,16,17,19,25,30,38,39,41,42,44,46,48》》开：03√
308期：《《06,11,12,13,15,17,21,22,27,30,31,32,43,46,47,49》》开：22√
309期：《《01,02,05,06,07,10,12,17,21,30,32,33,37,40,43,47》》开：09x
310期：《《01,04,09,11,13,16,23,27,29,30,32,35,36,39,43,48》》开：04√
311期：《《04,05,07,09,11,14,17,18,20,22,30,39,40,44,45,49》》开：21x
312期：《《05,06,08,09,12,13,15,19,20,22,28,36,42,43,44,46》》开：中？