250期：一条龙[[01,02,04,05,06,07,11,12,13,14,15,19,24,28,30,32,33,34,37,40,41,44,45,49]]开：12准
251期：一条龙[[01,03,04,05,07,12,13,15,16,20,24,28,29,31,33,34,35,37,40,41,42,45,46,49]]开：35准
252期：一条龙[[05,06,08,10,13,14,17,19,20,21,23,24,25,27,28,29,31,33,34,39,41,45,46,47]]开：23准
253期：一条龙[[01,02,03,04,07,08,12,14,18,20,22,23,27,29,31,32,34,35,37,38,39,41,45,49]]开：33错
254期：一条龙[[01,02,04,05,08,13,15,20,22,24,25,26,31,33,36,37,39,40,42,43,44,45,46,49]]开：？