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：10错
280期：←24码→（03,04,06,07,10,11,13,17,20,21,25,26,29,30,31,32,33,36,37,40,41,43,48,49）开：？？