10            20        30         40         50        60
GCUUACCUUUAAGCGUG----|   UU                -  -      UC    UGUUCU 
                     GUGC  CAUGGUUAGUUUUGCA GG UUUGCA  CAGC      C
                     CACG  GUAUUAGUCAAAACGU CC AAACGU  GUCG      G
UCUUCUAGUCUGCGACCAAUU^   --                A  U      --    UUCGGU 
120       110       100          90        80          70