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