281期：((01,06,09,10,15,21,24,25,27,29,33,41,44,45,46,49))开：10中中中
282期：((04,05,06,11,17,20,21,24,27,34,39,40,43,45,47,49))开：23错错错
283期：((07,09,12,15,16,22,23,25,29,30,32,35,37,38,48,49))开：18错错错
284期：((03,05,07,08,10,11,19,21,24,26,29,32,33,36,42,48))开：88