10          20        30         40        50          
GUCCGCCAGGCAGCACU--   U     C   -|      C   CU        UGUUUUUA 
                   GCU CCCGC GAU CUUUUUG GGU  GGGCUUGC        \
                   CGA GGGCG CUA GAAAAAC CCA  CCCGAACG        U
CAGCUACUUGCUACGACCU   U     C   G^      C   UU        ACCGCUGG 
120       110       100        90        80        70