308期：（（04,09,12,16,17,18,25,32,35,36,38,39,40,47,48,49））开：39中中中
309期：（（01,03,09,10,18,19,21,24,30,31,41,43,45,47,48,49））开：06错错错
310期：（（07,11,12,17,19,23,28,29,30,31,37,41,43,45,46,48））开：16错错错
311期：（（02,07,08,14,20,25,26,27,29,36,37,38,42,43,45,48））开：37中中中
312期：（（02,07,08,09,10,13,16,24,27,30,31,33,38,41,43,48））开：中？