312期：→№←【01,02,04,05,07,09,11,12,13,14,15,20,21,22,23,27,28,29,32,33,36,37,38,47】开：47对
313期：→№←【02,03,05,08,09,11,12,13,14,17,21,22,23,24,25,33,35,41,42,44,45,46,47,49】开：45对
314期：→№←【03,04,05,06,08,12,14,19,22,23,26,29,30,31,34,35,37,38,39,40,41,43,46,47】开：37对
315期：→№←【05,08,09,10,12,15,16,18,19,20,22,25,26,29,30,32,34,35,37,39,42,44,47,48】开：**