10          20        30        40        50    
CUCUUUUCUACAACUCC--|   AGA      A   U           U    UG 
                   UAUG   UCCUAG ACA CAGAGAUAUCA UUGU  U
                   AUAC   AGGAUC UGU GUCUCUAUAGU AACA  A
CGUAAUCAAAUUCGUUUAU^   GUG      A   U           C    AU 
.       100        90        80        70        60