10         20         30        40        50        60  
AGAAUUCUGAGUUUUGA-    -|  UC  UGA   U      CU       A    GGAAUU 
                  GGUU GCU  AG   ACA UCAACG  GUCGGUG GUUU      \
                  CCAA CGG  UC   UGU AGUUGC  CAGCUAC CAAA      A
GCGGUACCUCAUCUACUA    U^  UA  CCA   U      --       -    ACUAAA 
120       110       100        90        80           70