312期：（（01,03,07,10,12,17,18,20,22,24,27,31,36,42,44,48））开：36中中中
313期：（（02,05,06,08,09,14,17,20,22,26,27,29,32,36,43,45））开：18错错错
314期：（（03,06,08,10,12,16,20,22,24,26,29,31,37,43,44,47））开：24中中中
315期：（（01,05,06,09,13,14,19,22,25,30,31,32,41,43,44,45））开：中？