10            20        30        40        50        60 
AUAUUGUUUGGUUAUAA----|   ACGG     C       U     A  A     GUUUUUU 
                     UGGU    UGCGA CGGACGA GGUUC CA CGACC       U
                     ACCG    AUGUU GCCUGCU UCAGG GU GCUGG       C
GUUAAUUCAAUGCAACUUAUU^   CA--     U       U     -  G     UUACAAU 
 120       110       100          90        80         70