10            20        30        40        50         
GUGGAUAGCCCGUCCAG----|  AU        U         GA          GUUGAC 
                     CUG  GCGUGGUU AGGUAGUUU  UGUUGUUGGG      \
                     GAC  UGCAUUAG UCCGUCAAA  ACAACAGCUC      U
UUGCCGGAACUACUUCCGUUU^  --        U         GA          GGUCCU 
       110       100          90        80        70        60