284期：←24码→（01,02,04,08,09,10,11,12,17,18,20,23,26,28,30,33,34,35,36,37,38,43,47,48）开：17准
285期：←24码→（04,05,07,08,09,10,11,12,13,15,20,21,23,24,26,32,33,35,37,40,41,44,48,49）开：33准
286期：←24码→（02,03,06,07,08,09,11,14,18,20,21,22,24,25,26,30,31,33,34,39,43,44,45,46）开：39准
287期：←24码→（01,02,05,09,11,12,14,15,16,17,19,24,25,28,29,31,32,33,36,38,45,47,48,49）开：25准
288期：←24码→（02,04,05,07,10,12,14,16,18,19,21,24,26,27,31,32,34,35,39,42,43,44,48,49）开：09错
289期：←24码→（01,02,05,06,07,09,10,11,14,16,17,18,20,25,27,29,30,31,33,36,39,44,45,47）开：08错
290期：←24码→（01,03,04,05,06,07,08,09,12,13,19,22,25,26,30,35,39,41,42,43,44,46,47,49）开：？？