10         20         30        40        50         
UCGGCAGACGUUCGUGUC-  UC-|                 AC          UUCGCG 
                   CC   CGGCCCUGUUCGAGACGG  UCGGCAGACG      \
                   GG   GCCGGGGUAAGUUUUGCC  AGCCGUUUGU      U
UACGAGGAGCAACAAACAA  UGU^                 CA          UCUCUC 
       110       100        90        80        70        60