10           20        30         40        50        60 
UUCCAUUAAUUACUCUG---|   U   A    C        -     U       UGUCACUG 
                    GCUA CCU CAGC GUUCUUCA CUGGC AGUUUUA        \
                    CGGU GGA GUUG CAAGAAGU GACCG UCGAAAU        U
AGUCACAGGACAGCGUUUAU^   U   -    U        U     -       CGACAAAC 
 120       110       100         90        80         70