281期：((02,03,06,08,10,11,16,21,24,28,39,41,44,45,47,49))开：24中中中
282期：((03,04,05,08,10,14,16,17,18,20,21,30,31,32,48,49))开：37错错错
283期：((03,07,11,14,19,21,22,23,30,36,39,41,42,44,47,49))开：10错错错
284期：((04,06,10,11,16,20,21,29,30,31,36,38,40,41,47,49))开：==？