175期：一条龙[[01,07,09,10,15,16,18,20,21,23,24,25,28,29,31,36,37,39,40,42,43,44,46,47]]开：21准
176期：一条龙[[05,06,08,11,12,13,15,16,20,27,28,31,32,33,34,35,38,40,41,42,43,45,48,49]]开：02错
177期：一条龙[[01,06,07,08,09,13,14,16,17,19,20,24,25,26,27,32,33,34,35,37,38,41,44,48]]开：？