168期：大头龙{{01,02,03,05,11,14,15,16,18,19,21,23,24,25,28,32,33,36,40,41,43,44,45,48}}开：28有
169期：大头龙{{01,03,05,08,09,13,17,18,21,22,25,26,28,29,32,33,34,35,37,42,43,45,48,49}}开：39无
170期：大头龙{{02,04,05,06,08,10,13,15,17,18,19,23,24,25,28,29,33,34,37,40,42,43,45,48}}开：31无
171期：大头龙{{02,03,05,08,10,11,12,18,21,22,24,25,26,28,29,30,31,33,34,36,38,42,45,49}}开：？？