10          20         30        40        50         
AGAGGGUGGUGACACAGGC--| G  A    - C        G   GA        UAAUA 
                     CC CC CUCU G GUGUUCAC GCG  CCUUGAUU     U
                     GG GG GAGA C CGUAAGUG CGC  GGAAUUAA     C
GUGCCCAAACAGCAAAAUUCU^ -  A    A -        G   AC        CAUAC 
       110       100         90         80        70        60