10            20        30        40        50         
CAGCCCUGCUUGCUCAG----|   UC                  A          AUUGAG 
                     CUGA  UGUGACUUAGGUAGUUUC UGUUGUUGGG      \
                     GACU  ACAUUGAGUCCGUCAAAG ACAACGGCUC      U
CCCCGGGAGCUGCUUUUGGCU^   --                  A          AAGUUG 
       110       100          90        80        70        60