279期：大头龙{{04,06,08,10,11,13,14,16,18,20,21,22,23,25,27,28,30,32,35,37,39,45,47,49}}开：04有
280期：大头龙{{01,03,04,06,10,14,15,16,18,19,20,21,25,30,31,33,34,38,39,40,41,42,45,49}}开：20有
281期：大头龙{{01,02,04,09,11,13,14,15,16,17,18,22,23,26,27,28,30,32,35,36,37,42,46,47}}开：43无
282期：大头龙{{01,05,08,10,11,13,18,20,24,25,26,27,28,29,30,31,34,35,36,37,38,42,47,48}}开：？？