281期：←24码→（02,03,04,06,08,11,12,17,19,22,25,26,27,31,33,34,37,41,43,44,45,46,47,49）开：17准
282期：←24码→（01,02,03,05,06,08,10,18,19,21,22,24,27,29,31,32,33,34,38,40,43,44,45,49）开：30错
283期：←24码→（03,06,11,12,17,21,22,23,24,25,26,27,29,31,34,36,37,40,41,42,44,45,46,48）开：39错
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：？？