10          20         30        40        50        60
UGUCUGCUGUACUAUGCG--    CCC-| UC     U    C  C        CUGUGGCU 
                    GGGA    CC  UACUC AACA GG GGCACUUG        U
                    UCCU    GG  GUGAG UUGU CC UCGUGAAU        U
CCACAUAACUUUUAUUUCAA    AAGU^ U-     U    A  U        UAAAGGUU 
120       110       100         90        80        70