10         20         30        40        50          
GCAAAGGACCCCUGUCA-   UC   -|             G  A    CC    UAGACU 
                  GUC  CCC GGCCCAGGUUCUGU AU CACU  GACU      \
                  CAG  GGG UCGGGUUCAAGACA UA GUGA  CUGA      C
GGGGAGAGGCACGUCUUC   GU   U^             G  C    --    CGAGGU 
       110       100        90        80          70