10          20        30        40        50         60
UUUCCAGCUCGGCUGUC--    GC    A  G         A        A-| GUGCUAG 
                   GGCG  GCCA CC CGUGAACAC AGCGUGAU  CC       G
                   CCGC  UGGU GG GCGCUUGUG UCGUAUUA  GG       C
UGCGCGUACAAACUCAGGC    GU    C  G         A        CG^ CUCAGGU 
 120       110       100        90        80        70