10        20          30        40        50         
UACAGAUACCAAAUAAAAUUGGAU--|  U          C  A      A    GGCAU 
                          GCG UUCCUUGUCA AC UUCGUC CAGU     \
                          CGC AGGGAAUAGU UG AGGCAG GUCA     U
GAACUGUAGUACUUCUUCAAGGUAAU^  U          C  A      -    UAAAC 
      110       100        90        80        70         60