275期：((03,13,21,23,25,26,28,29,34,35,36,39,43,44,45,48))开：45中中中
276期：((06,09,15,18,26,27,28,31,34,35,38,39,40,41,48,49))开：09中中中
277期：((09,10,13,16,23,28,29,31,33,36,38,39,45,47,48,49))开：16中中中
278期：((03,06,11,14,18,24,27,30,32,35,36,39,42,43,48,49))开：28错错错
279期：((02,04,12,13,15,16,18,21,22,24,30,33,36,46,47,48))开：==？