10         20         30         40        50        60  
GUCCGCUGCGCCCGUCC-    U-               A-|   UG   GG    GGUUUCGA 
                  GUCU  UUACCGUGCGCGCUA  UCAG  ACC  GGCU        \
                  CAGA  GGUGGUGCGCGCGAU  AGUC  UGG  CUGA        U
AUCGUCUCGCAACUUACG    UC               GA^   CA   A-    CACUCUAU 
   120       110       100        90        80         70