247期：大头龙{{02,03,04,05,07,08,13,14,17,20,21,23,27,29,31,33,36,39,41,42,43,45,46,48}}开：29有
248期：大头龙{{01,06,09,10,11,12,13,16,17,18,20,21,25,26,28,33,34,35,38,42,44,47,48,49}}开：15无
249期：大头龙{{01,02,06,07,09,11,12,13,14,15,18,20,23,24,25,26,29,30,34,44,45,46,47,49}}开：02有
250期：大头龙{{02,04,05,06,07,08,09,12,20,23,24,25,26,27,29,30,32,33,36,40,41,45,48,49}}开：04有
251期：大头龙{{03,05,10,11,12,17,18,21,22,23,25,26,27,35,36,38,40,42,44,45,46,47,48,49}}开：41无
252期：大头龙{{01,04,08,10,11,12,14,16,20,21,22,23,24,28,31,32,33,36,38,41,44,46,47,49}}开：？？