10        20        30            40        50        
UUUACGAUUUAUAAAAUCUG        UC--      --|   A       U   UUGUA 
                    UCCGUCCG    GUGUGA  UUUG AGCAAGG GAU     \
                    AGGUAGGU    CGCACU  AAAC UUGUUCC CUA     U
AAGAGUGAUGCCGCGAAU--        UGGU      CC^   G       C   AAGUG 
     110       100          90        80        70        60