10          20        30        40        50         
CUGUGAGGUGGCACUGUG--|     C                 A    CA    GUAAU 
                    GCUCCC AAAUAAAGUUCUGUGAU CACU  GACU     U
                    UGAGGG UUUGUUUCAAGACAUUA GUGA  CUGA     G
GCCAAGGGCCAAUCAUGAAA^     U                 C    --    UGGCA 
      110       100        90        80        70          60