10            20        30        40        50        60        
CGCGCCGCCUCCCGACA----|   G  CC    U                 U   GGUCGGGCUGUGACA 
                     CCAG GC  UGGC GAGGUAGUAGUUUGUGC GUU               U
                     GGUC UG  AUCG UUCCGUCAUCGAACGCG CAA               U
GCAGGCGGCGCGGCUCGCAGU^   G  --    -                 U   UAGAGGUGUCGCCCG 
     130       120       110          100        90        80        70