10          20        30         40        50        
GACGGCGCGUCGACAUGC--|     U  U       U  -     UUUU     CUUAA 
                    GGUACU AA GAGAAGU GC CCGCG    UUUCG     U
                    CUAUGA UU UUCUUCA CG GGCGC    AAAGC     U
CGUAGGAGUUGCGUCUUAAC^     C  U       -  U     UUAC     AGUGU 
      110       100        90         80        70        60