281期：<<02,06,10,17,19,20,24,25,28,30,33,34,36,40,41,42>>开：10中中中
282期：<<02,04,05,13,15,18,21,24,25,26,32,34,35,36,39,47>>开：23错错错
283期：<<01,08,17,19,21,23,25,26,27,30,35,36,43,44,46,47>>开：18错错错
284期：<<01,06,07,08,12,19,23,26,30,34,39,42,43,46,47,48>>开：中？