315期：大头龙{{01,02,04,06,07,09,10,12,15,19,20,21,23,26,30,33,34,35,36,39,41,44,48,49}}开：15有
316期：大头龙{{02,03,05,06,07,09,12,14,15,19,20,21,25,28,29,31,33,35,37,41,42,44,46,49}}开：18无
317期：大头龙{{03,04,06,10,11,12,13,15,18,20,21,22,23,29,31,32,33,34,35,37,41,43,45,47}}开：24无
318期：大头龙{{01,08,09,11,15,17,19,20,21,22,24,26,27,29,30,31,33,35,37,39,41,44,45,46}}开：08有
319期：大头龙{{01,02,03,04,06,07,08,09,16,17,18,20,21,27,35,36,38,39,40,41,42,46,47,49}}开：？？