273期：=【01,02,05,07,10,11,12,13,16,17,24,25,28,29,30,31,33,36,37,41,42,43,45,48】开：42准
274期：=【05,07,08,09,11,14,16,17,18,19,20,22,23,24,28,30,32,33,34,36,42,44,47,49】开：08准
275期：=【02,03,04,14,15,16,18,20,21,23,27,30,31,32,34,35,38,41,42,44,45,46,47,48】开：24错
276期：=【02,03,05,08,14,18,19,21,22,23,27,28,31,32,33,34,38,39,41,43,45,47,48,49】开：43准
277期：=【01,02,03,06,08,09,11,14,15,19,21,22,23,24,25,27,30,33,35,37,39,43,44,46】开：48错
278期：=【05,07,09,10,12,16,17,18,19,25,26,28,29,30,35,37,38,39,40,41,43,45,46,49】开：？？