10            20        30         40        50        60   
UCAUCCUCAACACAGGU----|   CCA      -       U     C U    A   CGCUGUCA 
                     UGUG   UCCGGC CGCCUGA ACUUU G CUCA CCU        G
                     ACAC   AGGCCG GUGGACU UGAAA C GAGU GGA        A
UGGUUAAUCCGUUUCAUACCC^   A--      U       U     - -    -   UGCUGGUU 
    120       110         100        90         80          70