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