10          20        30        40        50          
GUGGUCGUCAAUAGGAA--|       C    A        CA      C    ACGUGUG 
                   AGACAGGG CAGU CAGCCUUG  GGUGGU AAAU       \
                   UUUGUUCC GUCA GUCGGAAC  UUACUA UUUG       U
GAGUCAUUUAGCUACUACA^       U    C        AC      C    CAGAAAG 
 .       110       100        90        80        70