10          20        30         40        50        60
AUUAACAUGAUCCUGAU--      AG   A          -| A        CGUUAACUC 
                   GUCAGC  UAC UUAGCAGCAC GU AAUAUUGG         U
                   CGGUUG  AUG AGUCGUCGUG CA UUAUGACC         G
CCUAGUAAACGUCUCUUAC      AA   A          U^ A        UCUAUAAAU 
 120       110       100        90        80        70