297期：大头龙{{02,05,06,07,11,18,20,22,24,26,28,29,30,31,35,36,37,40,42,43,44,46,47,48}}开：44有
298期：大头龙{{01,02,04,05,06,10,12,13,14,16,17,20,21,25,27,28,29,33,38,40,41,42,43,46}}开：23无
299期：大头龙{{01,04,05,09,11,13,14,15,21,22,23,25,26,27,29,31,34,37,39,40,41,45,47,48}}开：49无
300期：大头龙{{01,02,04,05,09,10,11,14,15,16,17,18,19,25,27,30,32,33,34,36,38,47,48,49}}开：？？