10          20        30        40         50        60  
GAUUCUUAUUCAGGUGUU--| U                   GG      - C   UCCGACAU 
                    GG UGGACUAGAUGGCCUCUGA  UUCCUU C AAC        U
                    CC ACCUGGUUUACUGGAGACU  AGGGAA G UUG        C
UCAGACCAAACCUCCGUCUC^ U                   --      A U   GUUAAUGU 
   120       110       100        90          80        70