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：24有
172期：大头龙{{01,02,03,04,05,06,08,11,12,13,14,17,18,21,22,24,27,30,33,38,42,44,47,49}}开：26无
173期：大头龙{{03,06,07,08,11,12,18,19,20,21,23,24,25,26,27,31,32,34,35,37,45,46,48,49}}开：43无
174期：大头龙{{02,03,04,06,08,12,15,18,20,21,22,24,28,34,35,36,37,38,40,41,42,45,46,49}}开：？？