10          20        30        40         50        60  
CCCCACCCCCGGCCGGG--            CUA         A-|         CUCGUGGGG 
                   GCCGCCCCGCCU   GCAGCACAG  AAUAUUGGCC         \
                   UGGCGGGGCGGA   CGUCGUGUU  UUAUGACCGG         U
CCCCAGGGGGCGACGAGCG            CCC         GC^         UCCCAGGUU 
    120       110       100        90        80        70