280期：{{07,08,12,14,16,27,31,33,34,35,36,42,45,46,47,49}}开：07准
281期：{{02,05,10,11,15,18,21,28,33,34,35,36,40,43,48,49}}开：24错
282期：{{06,07,09,10,11,14,19,24,36,37,38,40,41,45,47,49}}开：37准
283期：{{01,06,07,11,16,17,19,21,24,29,30,32,35,36,37,42}}开：10错
284期：{{05,08,10,17,18,24,29,31,32,33,34,39,40,42,44,45}}开：00