10            20        30        40        50        60        
AGAAGGGGUCGGGAGCA----|   G  CC    U                 U    GUCGGGUUGUGACA 
                     CCAG GC  UGGC GAGGUAGUAGUUUGUGC GUUG              U
                     GGUC UG  AUCG UUCCGUCAUCGAACGCG CAAU              U
AAGUAGACGUCGACUAGUAGU^   G  --    -                 U    AGAGGUGUCGCCCG 
     130       120       110          100        90        80        70