10            20        30        40        50        60        
UCUUGAUCGCCUAAAUUU----|   GG     UU                     GUAGGGUAGUUAUUU 
                      CUCU  UCGGG  GAGGUAGUAGAUUGUAUAGUU               U
                      GAGG  AGUCC  UUCCGUUAUCUAACAUAUCAA               G
UUCGUCAUGACGUCUUUACAAU^   --     C-                     UAGAGGACUUCUCCC 
     130       120         110        100        90        80        70