306期：<<03,06,09,13,15,17,18,22,26,30,31,32,33,40,42,48>>开：31有
307期：<<02,06,07,08,13,17,22,25,27,30,33,37,39,42,48,49>>开：22有
308期：<<07,08,09,12,15,17,19,21,23,31,35,36,40,44,45,46>>开：18无
309期：<<01,06,08,10,17,18,23,24,28,30,33,36,37,38,44,45>>开：49无
310期：<<02,04,05,12,20,22,26,29,30,32,36,37,39,43,46,47>>开：88