10          20        30         40        50         
CAGAAAAGCCAUUGUGU--        A          -|      C        AUAGUC 
                   ACCACAGU UCUAUUUAGC AUUUGUC AUCUUUAG      \
                   UGGUGUUA AGAUGAAUCG UAAACAG UAGAAAUC      U
AUAAGGUAACAUACCUACA        A          A^      A        CGUAAG 
.       110       100        90        80        70        60