10          20        30           40        50     
UGAAUUAAGUUCAGUGGC--         U    U     ---|   GU     GGGAG 
                    AGCGGCAAG AGUG UGGAC   GGCG  CGGGC     \
                    UCGUCGUUU UCGC ACCUG   CCGC  GCUCG     G
UUUUUAAUUACAUCAUAAAU         C    U     GCA^   UC     AUUGC 
  110       100        90        80        70        60