10          20        30         40        50         
GUGGGGGGAAUGAUUUA--  CA          -|                A   CGUCAU 
                   GC  CGCCCCGCGC GUCGUGACGUGGGAUUG UUA      \
                   CG  GCGGGGCGCG CGGUACUGCAUUCUGAC AAU      C
UGCGCGCAACCAACAGCCA  AG          U^                -   GACGCG 
       110       100        90        80        70         60