261期：((01,08,10,11,12,23,24,25,33,34,40,41,44,46,48,49))开：33准
262期：((01,06,09,13,15,16,18,19,20,21,22,35,36,37,43,46))开：44错
263期：((03,07,10,11,12,17,19,21,24,29,30,33,37,40,46,48))开：38错
264期：((03,06,13,14,16,17,18,26,29,32,34,38,39,41,43,44))开：43准
265期：((02,03,06,08,10,13,18,19,21,22,26,33,35,37,39,42))开：10准
266期：((02,09,10,15,16,17,18,23,24,28,29,33,35,38,45,49))开：==？