305期：大头龙{{01,02,03,07,12,13,14,15,17,20,22,23,24,26,27,31,32,35,40,41,42,46,47,49}}开：13有
306期：大头龙{{01,03,09,10,11,12,13,16,17,18,19,20,21,24,28,31,33,34,35,37,39,40,45,47}}开：22无
307期：大头龙{{01,07,11,13,14,15,16,22,24,25,30,32,33,35,36,38,42,43,44,45,46,47,48,49}}开：29无
308期：大头龙{{02,03,05,08,10,12,13,16,21,23,24,25,26,28,32,38,40,41,42,43,44,45,47,49}}开：42有
309期：大头龙{{06,07,10,11,12,14,15,16,18,19,22,23,26,27,29,31,32,33,34,36,38,39,44,46}}开：？？