10          20        30        40        50        60  
CGGAGACCUGUGUAUUG--|                         G  C     UGUAGCCAU 
                   GAACGGAGUGGAAUUUGAAACGUUUU GC AAAAA         \
                   CUUGCCUCGCUUUAGACUUUGCAAAG CG UUUUU         G
CCAAAAAAGGCUUCGGCCU^                         A  U     GGGGAAACG 
   120       110       100        90        80        70