10             20        30        40        50         
CAUCCUGGGCCCAGUGAU-----|    CA   ACA  U     A    U      GUGCUAU 
                       GGCGU  UGC   GU CUGGG GAUG UAUCAC       \
                       CCGUA  ACG   CA GACCC CUGC AUAGUG       C
GCAGAAAGGGCGCCGAGAACUAC^    C-   C--  C     A    U      GCUUACU 
       110       100         90          80        70        60