275期：（（04,06,14,16,19,20,24,25,27,28,33,35,37,38,39,45））开：24准
276期：（（03,04,08,11,16,19,21,25,28,29,31,33,36,39,41,48））开：43错
277期：（（03,05,09,12,15,16,20,22,27,28,31,34,36,42,43,49））开：48错
278期：（（01,02,04,06,07,09,10,14,15,19,22,32,38,42,46,47））开：22准
279期：（（01,03,08,09,11,12,14,19,20,23,25,29,30,31,39,46））开：//