266期：((03,08,10,11,14,16,20,21,25,28,30,32,33,39,40,48))开：40OK
267期：((02,03,04,07,10,13,15,19,23,27,31,32,36,37,43,49))开：22x
268期：((01,03,06,07,12,13,17,27,28,32,33,34,37,40,41,47))开：32OK
269期：((06,11,13,14,16,19,21,28,33,34,39,40,41,43,45,48))开：37x
270期：((02,04,05,07,08,09,10,11,20,31,37,41,42,44,48,49))开：44OK
271期：((01,05,08,15,19,20,22,23,24,27,33,37,39,40,44,46))开：//