268期：大头龙{{01,02,03,04,06,09,10,14,15,17,25,26,28,30,32,33,36,37,38,40,41,44,48,49}}开：40有
269期：大头龙{{01,02,05,08,09,10,13,16,22,23,24,27,28,30,33,34,36,37,40,41,43,44,45,46}}开：22有
270期：大头龙{{05,08,11,12,17,18,19,23,24,25,27,28,31,33,35,36,38,39,42,44,45,46,48,49}}开：19有
271期：大头龙{{02,05,07,08,09,11,12,15,19,20,21,23,24,26,29,33,34,36,38,39,43,44,47,49}}开：？？