10         20         30        40        50        
ACCUCUGUGUCCCCAGCA-  -|  AU             C     A       GUAUA 
                   CC CAG  CAGUGCUUGGCAC UAGUA GUACUCA     U
                   GG GUC  GUUACGGACCGUG AUCGU CGUGAGU     A
GAGACCUAGGGGGGUUUCG  A^  GU             U     C       UGUUC 
      110       100        90        80        70        60