10          20        30         40        50        60    
UUAUCCACCUAAUUUGG--|   A  A    CA-  U     U       C     GCUUAUACAG 
                   CCAG GC UCAG   CC UGGCU UAGACUG UUACU          \
                   GGUC CG AGUC   GG ACUGA AUCUGAC AAUGA          U
GUAUCACAAGUCAAAUAAC^   -  A    AUC  U     C       -     CACGACACUG 
      120       110        100        90        80         70