10          20        30        40        50         
GACUGUUUUUCACAUCG--| C   GU   C            C          GUAUGC 
                   GG UUG  UCU GUUCAAGUAAUC AGGAUAGGCU      C
                   CC GAC  AGA CAGGUUCGUUGG UCCUGUCCGA      U
CUAGGCUGUGCGACGAUUC^ U   GU   C            C          AUCGUU 
.       110       100        90        80        70        60