307期：大头龙{{02,03,04,07,11,13,14,18,19,21,22,24,26,27,32,33,34,35,36,37,40,43,47,49}}开：22有
308期：大头龙{{02,03,04,05,06,10,11,14,15,25,26,29,31,32,34,35,37,39,40,42,43,44,47,49}}开：18无
309期：大头龙{{01,02,08,14,16,18,20,23,25,27,28,29,30,31,33,35,36,41,43,45,46,47,48,49}}开：49有
310期：大头龙{{01,02,05,06,09,11,12,13,15,17,19,20,23,28,29,30,32,33,34,37,40,45,46,47}}开：？？