10          20        30        40        50        60     
GCAGGGUAGCAGGCAUU--| G        AAU   GU     U          UGGGAUCACACC 
                   GG GGCUGUGG   GAG  AGUAG UUGUAUAGUU            \
                   UC UCGACACU   UUC  UCAUC GACAUAUCAA            A
CCUCCCAGACUACACUUCC^ G        CU-   UG     C          UAGAGGGUCUAG 
.       120       110       100         90        80        70