10          20        30        40        50         
GAGAUAGAAGACAACCC--|        AC             C          GGUCAU 
                   AUUUGGCGG  UCUAAGUUAAUCU CAAGCCCAAU      U
                   UAAACCGCC  AGAUUCAAUUAGA GUUCGGGUUA      U
AGGACAGCAAUAUACUGCA^        CC             A          ACUGCA 
.       110       100        90        80        70        60