10          20        30        40        50        
CACUCUCCACAGUUUAU--|            G                     GGGUG 
                   CUGAGUUGGGAGG UCCCUCUCCAAAUGUGUCUUG     \
                   GGCUCGACCCUCC AGGGAGAGGUUUACACAGAAC     G
UCAAGUUACUACCGUCUCC^            A                     UAGGG 
     110       100        90        80        70        60