256期：大头龙{{02,03,05,08,09,10,11,16,20,23,25,27,28,29,30,32,35,39,41,42,44,46,48,49}}开：48有
257期：大头龙{{02,03,05,08,10,13,14,18,21,24,25,27,29,31,32,33,34,35,37,38,42,45,46,47}}开：28无
258期：大头龙{{10,11,13,16,18,19,20,22,23,25,27,29,31,33,34,35,36,38,39,40,41,44,47,49}}开：？？