10        20          30        40        50         
CACAGAUAACAAAUACAACGUGUU--|             C  A      A    GACAU 
                          GCGUUUCCUUGUCA AC UUCGUC CAGU     \
                          CGCAAGGGAAUAGU UG AGGCAG GUCA     U
GAACUGUAGUACUUCUUCAAGGGAAU^             C  A      -    CAAAC 
      110       100        90        80        70         60