263期：((07,11,12,13,14,15,17,22,29,33,38,39,43,46,47,49))开：38中中中
264期：((04,05,11,16,17,19,31,32,38,39,42,43,44,45,47,48))开：43中中中
265期：((01,05,08,10,11,19,25,29,31,34,37,38,39,42,48,49))开：10中中中
266期：((01,04,08,10,12,14,20,21,22,29,30,31,34,35,39,49))开：41错错错
267期：((01,07,08,11,12,13,18,19,20,25,29,30,38,44,45,47))开：29中中中
268期：((06,07,12,13,18,19,23,27,29,32,36,38,39,45,48,49))开：==？