10          20        30        40        50          
UCUGAGCUUCUACGGCGA--|   GAUA    U       U   A    G     UUGAUU 
                    GCGU    UUUG CUUUGGU AUC AGCU UAUGA      \
                    CGCA    AAAU GAAACCA UGG UCGA AUACU      U
ACUAGCCGACGACAACGAUC^   AGCA    C       U   A    A     UUAAAG 
 .       110       100        90        80        70