260期：((01,03,09,12,14,15,16,26,27,29,30,35,40,43,45,48))开：03中中中
261期：((03,05,08,11,14,15,19,25,27,28,30,35,39,42,45,47))开：33错错错
262期：((02,08,11,14,17,18,21,22,30,32,33,35,36,46,47,49))开：44错错错
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：==？