10        20          30        40         50        
ACUACGACAAGUAAAAAUAU--    C    C        UCA-|     A    GUGAU 
                      UGUC CUGU AAGAGAGC    UCAUGA CAGU     U
                      ACAG GGUA UUCUCUCG    GGUACU GUCA     U
GACUGUUUGACAACUUGUUCUU    U    U        UCGA^     -    ACAGU 
      110       100        90        80        70         60