275期：←24码→（03,06,11,13,15,16,17,18,21,24,25,29,31,33,34,35,36,37,38,40,43,44,45,47）开：17准
276期：←24码→（03,04,06,07,09,12,13,16,17,18,23,24,30,31,32,34,35,36,40,42,43,44,45,47）开：14错
277期：←24码→（04,06,07,09,11,17,21,22,23,25,28,29,33,34,35,36,37,38,40,42,45,46,48,49）开：11准
278期：←24码→（01,09,12,13,15,16,18,20,23,24,25,26,27,28,29,35,37,40,42,43,45,46,47,48）开：02错
279期：←24码→（01,03,06,07,08,11,13,17,18,19,22,24,25,26,29,31,32,34,35,36,37,39,42,46）开：？？