10        20          30        40        50         
CACAGAUAACAAAUACAACGUGUU--|  U          C  A      A    GACAU 
                          GCG UUCCUUGUCA AC UUCGUC CAGU     \
                          CGC AGGGAAUAGU UG AGGCAG GUCA     U
GAACUGUAGCACUUCUUCAAGGGAAU^  U          C  A      -    CAAAC 
      110       100        90        80        70         60