10         20         30        40        50        60
AUAAAGUUACAAAUUGC-        CGC-|     U    C    A     U  GCACUA 
                  GUUUGAAG    UUCGGU CGUC CAGG GCAAU CU      U
                  CAAAUUUU    AGGCCG GCAG GUUC CGUUA GA      U
CGCAACAAAUUUACUAAG        CAUU^     -    A    A     U  UCGAAA 
 .       110       100        90         80        70