10          20        30        40         50        
CAGCCCCACAGAGCUGC--          U           A-|          GAGGAU 
                   CCGCCGUUCC UCUUCCUAUGC  UAUACUUCUUU      \
                   GGUGGCGGGG AGAAGGGUACG  AUAUGGAGAAA      C
GUCCACGGCGCACCUCCUG          U           GG^          UCCGGU 
      110       100        90        80        70        60