278期：千青[[01,02,03,06,10,12,14,17,19,20,21,24,25,28,30,32,34,35,36,40,41,43,47,48]]开：41对
279期：千青[[04,08,09,11,12,15,16,17,18,19,21,23,26,28,29,31,33,34,35,36,42,44,47,48]]开：04对
280期：千青[[03,04,05,06,08,12,13,17,19,20,21,22,23,24,29,30,31,34,35,36,37,40,45,47]]开：20对
281期：千青[[03,06,07,08,09,10,12,17,18,20,24,25,26,32,34,35,37,38,39,40,41,43,44,46]]开：43对
282期：千青[[02,04,07,09,10,11,13,15,16,18,20,22,26,27,28,33,34,36,37,39,42,43,46,47]]开：//