10          20        30        40        50        
ACCCUACCUGUACAAUU--|   UC              U      GA     UUUCCU 
                   CCUU  AACAGGCAAGCUUU UGUUUG  UUAUG      \
                   GGAA  UUGUUUGUUCGAAA ACGAGC  AAUAU      G
UCGUAUCCCGCUUCGUGUC^   GA              U      AG     GUUGUU 
     110       100        90        80        70        60