271期:04,05,07,08,17,21,32,33,34,36,39,44,46 开:45 准
272期:02,03,07,09,14,16,18,33,34,42,43,45,47 开:46 准
273期:01,03,05,15,16,17,18,19,20,32,38,40,43 开:27 准
274期:02,10,20,22,33,37,38,39,40,41,45,47,48 开:23 准
275期:07,08,09,16,17,22,24,25,34,35,40,41,46 开:05 准
276期:03,09,11,12,21,25,30,31,36,39,47,48,49 开: ?