309期：（（01,06,08,09,12,14,15,18,20,21,27,31,35,40,47,49））开：49中中中
310期：（（02,11,12,14,19,25,26,27,30,32,36,38,42,44,47,48））开：37错错错
311期：（（02,03,05,12,13,16,17,19,21,23,25,29,38,45,47,48））开：40错错错
312期：（（01,03,07,10,12,17,18,20,22,24,27,31,36,42,44,48））开：中？