10         20         30        40        50          
GAUGAUGGUUUUCUCCU-    A-| U    C         G  A    CA    UUGAAU 
                  GUUC  CC GGCU AAGUUCUGU AU CACU  GACU      \
                  CAGG  GG CCGG UUCAAGACA UA GUGA  CUGA      C
ACAACCGAGAGCGAAACC    CA^ C    U         G  C    --    UGGUGA 
       110       100        90        80          70