275期：{{02,08,10,14,18,21,27,30,34,38,39,41,45,46,48,49}}开：45对了
276期：{{02,03,05,10,12,14,17,21,23,27,32,33,35,38,39,42}}开：09X
277期：{{03,05,09,10,11,14,15,20,22,25,26,28,30,35,41,49}}开：16X
278期：{{03,09,12,13,15,17,20,22,27,28,30,35,37,38,40,49}}开：28对了
279期：{{01,03,06,07,12,14,17,19,20,21,30,33,34,35,40,41}}开：00