265期:((07,11,12,15,16,19,23,29,34,35,38,40,41,43,47,48))开:16对
266期:((02,03,04,12,21,22,25,26,27,30,31,32,36,47,48,49))开:27对
267期:((03,06,08,19,24,26,28,29,31,32,33,35,37,38,44,47))开:12错
268期:((07,09,11,13,16,17,20,21,25,28,29,31,37,40,43,48))开:22错
269期:((01,04,07,10,11,14,15,19,22,29,33,37,38,39,40,48))开:11对
270期:((02,03,08,10,13,17,18,20,23,25,27,35,37,39,42,49))开://