10          20        30        40        50          
AGUAUAUAAAAUGUCUC--|  U  A              U     C  A     UAAAUC 
                   AUG GC UUGAUCUACGUAGA UGGUA CU UCAUG      \
                   UAC CG AAUUAGAUGUAUCU ACCGU GA AGUAC      A
UGUUUUUUUCUUCUUACAA^  U  G              U     A  G     GAAUGU 
 .       110       100        90        80        70