10          20        30        40        50          
AUAUAAUAUACAUACAU--|      G     CA          U      AAAUUUGGUU 
                   AUAUAUA AUACA  UAUGCGAUGU UGCUCA          \
                   UAUAUAU UAUGU  AUACGUUGUA ACGAGU          C
CUGUUAGUCACUACGAGUU^      A     AC          U      CUUGAUAUAG 
 .       110       100        90        80        70