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：44错
275期：→№←【01,02,04,05,06,12,13,15,21,24,31,32,33,34,36,37,38,39,40,41,42,43,45,49】开：45对
276期：→№←【01,07,09,11,13,14,16,18,19,22,23,25,31,32,33,36,38,39,40,41,42,46,47,49】开：09对
277期：→№←【01,02,03,07,08,09,10,11,13,15,16,19,20,22,23,24,27,28,34,40,41,42,46,47】开：**