10          20        30        40         50         
CAGGGGUUUUGUUAGAA--| UU   U     A        U  U-        ACCUCGU 
                   GG  ACU GUUAG AGGUUACU GU  AGUUCAGG       U
                   CC  UGG CAAUC UCCGAUGA CG  UCAAGUCC       A
CCCCGAUCUGACCUCCACC^ UC   U     C        -  UU        GUUCUUU 
.       110       100        90        80         70        60