268期：((01,03,06,10,16,17,18,23,27,28,31,35,38,40,43,49))开：40OK
269期：((02,04,11,16,20,24,27,28,31,32,34,36,37,40,43,44))开：22x
270期：((01,03,07,08,11,16,23,25,26,27,28,30,42,43,44,48))开：19x
271期：((06,09,14,16,22,23,30,31,32,33,35,37,39,43,45,49))开：35OK
272期：((02,07,09,10,12,15,16,19,23,26,28,29,32,34,42,47))开：//