10          20        30        40        50          
UAACAGAAUGUUAUUAC--|   U        A    G     C          UGGUAUU 
                   GUUG CUAUAUAU CCCU UAGAA CGAAUUUGUG       \
                   UAGC GGUAUAUA GGGG AUCUU GCUUAGACAC       U
UCUUUACACUUCAAAAACG^   U        A    -     A          UGAUACA 
.       110       100        90         80        70