049期：大头龙{{03,05,08,09,13,17,18,19,20,21,22,23,24,27,28,31,33,34,37,40,41,44,48,49}}开：13有
050期：大头龙{{01,04,05,08,13,16,17,18,20,25,26,27,28,29,30,32,33,35,40,42,43,45,46,47}}开：23无
051期：大头龙{{03,05,07,08,10,12,14,17,18,19,20,21,23,25,26,32,33,34,35,37,38,39,43,48}}开：01无
052期：大头龙{{01,03,04,05,06,07,09,14,18,19,22,23,24,26,29,31,32,34,37,43,44,45,47,49}}开：？？