10          20        30         40        50        60     
UUUAAAUGCAAAUAUUU--|   U  U UU  -          A  C         AUUAGUGAUGG 
                   GUCU GC G  UU CGGGUGGAUG CU UGCAAUUUU           A
                   UAGG CG C  AA GUCUACCUAU GG ACGUUAAAA           A
UUGUUUGCGUCCAUUACCU^   U  - CU  U          -  C         AUAACUUCAAA 
 .       120       110        100        90         80        70