309期：→№←【01,03,04,09,11,13,16,18,20,21,22,24,25,26,27,31,33,36,37,38,39,42,44,47】开：09对
310期：→№←【01,02,04,07,09,14,16,17,18,19,20,21,23,25,26,27,34,38,39,40,41,43,45,47】开：04对
311期：→№←【01,06,09,11,12,13,14,15,18,21,23,24,25,26,27,28,30,33,37,39,40,45,47,49】开：21对
312期：→№←【01,02,06,08,10,12,13,17,21,23,24,27,28,35,36,37,38,39,40,42,44,47,48,49】开：**