10          20        30        40        50         
UUGAACUAUUCAACCUCUA--|  UC           A    UU          GUGAAA 
                     AGG  ACUUCUAUAUC GGUA  CUACCUUUUU      \
                     UCC  UGAAGGUGUAG CCAU  GAUGGAAAAG      U
AACUCCCGUCGACUAGUAAUC^  UA           A    UU          UCGAAA 
       110       100        90        80        70        60