275期：《《01,02,09,10,11,12,15,21,23,25,27,30,32,38,43,45》》开：45对
276期：《《02,10,11,14,16,20,22,27,29,30,38,43,44,46,48,49》》开：09错
277期：《《01,06,12,13,15,17,18,19,21,26,29,30,36,37,42,49》》开：16错
278期：《《01,02,04,09,12,20,21,25,27,28,31,37,38,43,44,47》》开：28对
279期：《《02,04,05,07,09,13,15,17,22,26,30,37,38,40,41,48》》开：？？