254期：大头龙{{01,02,03,04,06,13,14,16,17,18,19,20,22,25,31,33,34,37,38,43,44,45,48,49}}开：13有
255期：大头龙{{01,02,03,08,10,11,12,14,17,19,23,25,26,27,30,31,32,35,36,40,42,47,48,49}}开：33无
256期：大头龙{{02,05,06,07,10,11,12,13,14,15,16,24,25,26,27,30,31,36,38,41,42,44,45,46}}开：35无
257期：大头龙{{01,03,05,06,07,09,20,21,23,26,28,30,31,32,33,35,37,38,40,41,42,45,48,49}}开：48有
258期：大头龙{{02,08,09,11,13,14,18,20,21,23,25,26,28,31,34,36,37,39,40,43,45,46,48,49}}开：？？