10           20        30        40         50        60 
UUUUUCAAGAGUUUUAU---|    UC     A UC UG    G    -        UUGGUUU 
                    CCAAU  UCAGG U  U  CUCA GGUU UACAUGUU       \
                    GGUUG  GGUCC A  G  GAGU CCAA AUGUAUAA       A
UGUCGUUUCGACAACUGACU^    GA     - GA GU    G    C        AGUAUAA 
  120       110       100         90        80        70