10          20        30         40        50        60
GGAAGGGGAGAGUAAAU--         ACGC    -|     A    A      AUUGUGU 
                   CGAGUUAUG    CAUC UUACCU ACAG AUUAGA       U
                   GUUCGAUAC    GUAG AAUGGA UGUC UAAUCU       U
UAUCAAACCACAUCUAACA         GUCU    A^     C    A      CUUUACG 
 120       110       100        90        80        70