10          20        30         40        50        
AAGAAAGACAUUUCAAU--             -|      UG  C      C  CAUAAG 
                   UAUUGGGUUGGCC AAGAGUU  UU GGGUUU UC      \
                   AUAACCCAACCGG UUCUCAA  AA UCCAAA AG      C
UCACUAUGUUCGUCGUUUU             U^      GU  C      A  AUAUGU 
      110       100        90        80        70        60