10          20        30        40         50          
UCUUCGUAAUAUAUUAAU--  CA        G         -|            UUAUCU 
                    CC  UGUCUUCG UCGUCAGAG UGGUUGUGAUAUG      \
                    GG  GUAGAGGC AGUAGUUUC ACCGACACUAUAC      U
AAUUAUUUUACACGAACUUU  AC        G         G^            UAAAUU 
120       110       100        90        80        70