10          20        30        40        50        60        70 
UCCCCUGUGUUUGUCUUCU--|   AC     U                 U   GUGGGGUGUGGGAUAUCA 
                     CUGC  UGUGG GAGGUAGUAAGUUGUGU GUU                  C
                     GAUG  ACACC UUCCGUCAUUCAACAUA CAA                  C
UAGUUAUUUCCUACAUUUCAC^   GU     -                 U   CGUAGAGGAUUUACCCCG 
 140       130       120        110       100        90        80