280期：<<08,10,13,17,18,21,22,23,31,34,35,39,42,43,45,48>>开：08有
281期：<<04,08,10,12,20,22,24,25,26,28,30,33,36,40,41,44>>开：17无
282期：<<08,11,18,19,23,25,26,28,29,30,31,32,34,35,38,46>>开：30有
283期：<<10,17,22,23,26,27,28,29,30,32,34,36,38,40,45,47>>开：39无
284期：<<02,04,09,11,13,16,17,31,32,33,34,36,42,45,46,49>>开：88