10            20        30        40        50         
UCAAAGUAUUGGAGUUAC----|    UGA    C               C    UGUUUUU 
                      AGGCA   GUCU ACCCCAAAGCACUCA AGUU       \
                      UCCGU   CAGA UGGGGUUUCGUGAGU UCAA       U
UUUGAUAUUCCACUUUACGUUA^    C--    A               -    GGUAAAU 
      110       100          90        80         70        60