10          20        30        40        50         
AAACACAACUAAUAUAC--|      AUAGG        A        G     CUAUAU 
                   ACUUGUG     UGAUAGUG CUUCCCAG UGAUG      U
                   UGAACAU     GCUAUUAC GAAGGGUC ACUAC      C
AAAAUCAAACAACGCAAAG^      CGAUU        A        -     UUAAGU 
       110       100        90        80         70        60