272期：→№←【01,03,07,08,13,15,16,17,24,25,26,27,28,30,31,33,34,36,38,39,41,42,43,45】开：36对
273期：→№←【01,04,05,06,07,09,10,15,17,21,24,25,26,27,29,30,31,34,37,42,44,46,48,49】开：04对
274期：→№←【01,04,05,06,07,08,09,10,13,15,16,17,18,19,21,22,23,26,33,35,36,37,42,47】开：**