10            20        30        40        50        
CCCGCCCUUUCAUGCAG----|    CU      U          A          AUUGG 
                     CUGAU  GUGGUU AGGUAGUUUC UGUUGUUGGG     C
                     GACUG  CAUUAA UCCGUCAAAG ACAACGGCUC     U
CGACGGGAACUACUUCUGAUU^    --      U          A          GAUUU 
      110       100          90        80        70        60