10          20        30        40         50        60  
CUCUUACUCUCAGGUGUU--| U                   GG      - C   UCGGCAUU 
                    GG UGGACUAAGUGGCCUCUGA  UUCCUU C AAC        \
                    CC ACCUGGUUUACUGGAGACU  AGGGAA G UUG        C
UCAGACCAAACCUCCGUCUC^ U                   --      A U   GUUUAUGU 
  120       110       100        90          80        70