10           20        30        40         50        60
CAACUGAAUCACAUUCAC---|   AACC              A   U    -  CGUGAAUU 
                     UCGC    GGGUUCACUUAUAU ACU UGCA GU        U
                     AGCG    CUCGAGUGAAUAUA UGA ACGU CG        U
CUUAGUCAUUUCGACGUCUCU^   AUA-              C   U    U  CCGGUUCG 
 120       110       100         90        80        70