280期：<<04,06,09,13,16,18,21,22,25,27,29,35,41,42,45,49>>开：22有
281期：<<03,05,07,08,10,18,21,22,28,33,35,39,43,44,47,48>>开：43有
282期：<<01,05,06,08,09,12,17,18,22,24,27,28,32,33,39,44>>开：13无
283期：<<01,06,08,12,13,17,20,24,27,29,33,36,38,42,45,47>>开：47有
284期：<<03,05,09,10,12,14,16,19,22,25,28,29,36,38,40,47>>开：27无
285期：<<01,03,04,05,16,18,20,24,25,27,32,34,36,38,45,49>>开：88