020期：大头龙{{01,03,05,06,09,11,13,14,15,16,18,22,24,28,29,31,32,33,40,42,43,45,46,49}}开：33有
021期：大头龙{{01,03,07,08,10,16,19,21,25,29,31,32,33,35,36,39,41,42,44,45,46,47,48,49}}开：32有
022期：大头龙{{01,02,03,06,10,12,13,15,23,24,25,27,28,29,30,31,33,35,36,38,42,44,48,49}}开：09无
023期：大头龙{{01,04,06,07,09,10,11,13,18,19,25,26,27,29,31,33,34,35,36,40,41,44,45,48}}开：？？