281期：《《02,07,10,16,17,19,20,25,31,32,33,36,40,41,45,49》》开：10对
282期：《《08,12,13,16,18,19,20,22,23,26,34,36,43,46,47,48》》开：23对
283期：《《07,08,09,12,13,14,16,20,21,22,29,32,34,36,40,41》》开：18错
284期：《《03,04,08,11,12,14,17,20,28,31,33,35,42,47,48,49》》开：32错
285期：《《05,10,19,27,29,30,31,34,37,39,40,45,46,47,48,49》》开：？？