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