310期：<<03,04,10,13,14,15,16,18,19,30,31,36,38,40,44,45>>开：16中中中
311期：<<01,07,08,13,17,23,24,26,33,36,37,38,42,44,45,49>>开：37中中中
312期：<<01,05,06,07,09,11,22,23,24,26,27,32,37,42,44,46>>开：14错错错
313期：<<01,04,07,08,11,14,16,18,19,20,24,25,31,34,42,45>>开：中？