10         20         30        40        50        60  
CACAUCUCUGCCUCACA-    -|  UC  UGA   U      CU       A  UUGGAAUU 
                  GGUU GCU  AG   ACA UCAACG  GUCGGUG GU        \
                  CCAA CGA  UC   UGU AGUUGC  CAGCUAC CA        C
CCGGUACCUCAUCUACUA    U^  UA  CCA   U      --       -  AAAAUAAA 
120       110       100        90        80           70