10            20        30        40        50        60        
AGGAUGGGUCAGGCACA----|  UG UC     U                 U   GGUCGGGUUGUGACA 
                     CCA  G  CUGGC GAGGUAGUAGUUUGUGC GUU               U
                     GGU  C  GAUCG UUCCGUCAUCGAACGCG CAA               U
AAGUAGACGUCGACUAGUAGU^  -- GU     -                 U   UAGAGGUGUCGCCCG 
     130       120         110        100        90        80        70