10          20        30        40        50        
CAGUAUCAAUUUCAACCCU--|   UC     U            G        UGUAU 
                     AACU  CCAAA AUAUAUAUAUAU UACGUAUG     A
                     UUGA  GGUUU UAUGUAUAUAUA AUGCAUAU     U
AUCAAUGUCUGCUUUUCAAAU^   GU     U            G        GUAAA 
      110       100        90        80        70        60