10         20         30        40        50         
CUUCCUGUGCCCCCAGU-   -|   U      G        A         AGUUUGCG 
                  GGG GCCC GGCUGG AUAUCAUC UAUACUGUA        \
                  CCC CGGG CUGAUC UGUAGUAG AUAUGACAU        A
CAGUCCGAGGUCUCGACC   A^   U      A        -         CACAGAGU 
      110       100        90        80         70        60