10             20        30        40        50         
UCCUCCAUGCAAUUCCC-----|   UUU    C UC         A           CAGGC 
                      ACGA   CCGA G  CUUCAUUCC CCGGAGUCUGU     U
                      UGCU   GGCU C  GAAGUAGGG GGCUUUAGACA     U
CUUUCGAGGCAGCGAAAUGGGA^   ---    A GU         -           GCAAA 
       110       100           90        80         70        60