280期：24码！（04,05,06,09,10,13,14,15,19,22,24,26,33,35,36,38,40,41,42,43,44,45,48,49）开：15准
281期：24码！（02,07,08,12,13,15,16,18,20,24,25,28,29,30,32,33,34,37,43,44,45,46,47,48）开：10错
282期：24码！（01,03,04,06,07,08,10,11,12,14,17,19,23,27,28,29,34,35,39,41,43,44,46,49）开：23准
283期：24码！（03,06,08,11,12,14,17,18,19,20,22,24,29,30,31,34,35,36,37,41,42,44,46,47）开：18准
284期：24码！（01,02,05,07,10,12,13,15,17,18,19,20,22,26,27,28,29,31,33,35,38,43,47,48）开：32错
285期：24码！（01,07,10,11,13,15,16,17,18,19,21,22,27,32,34,35,37,38,39,40,43,44,46,47）开：19准
286期：24码！（01,02,03,05,06,07,11,14,16,17,18,19,20,21,24,27,29,34,37,39,44,45,46,48）开：？