10          20        30         40        50        
UCAACAGUGCUGACCUGC--|     U  U       U  -     UUUU     CUUUA 
                    GGUACU AA GAGAAGU GC CCGUG    UUUCG     U
                    CUAUGA UU UUCUUCA CG GGCGC    AAAGC     U
UUCAGAAGUUCCGUCUUAAC^     C  U       -  U     UUAC     AGUGU 
      110       100        90         80        70        60