10            20        30        40        50        60 
AAUGAGGAGUCUAAGAA----|   UC      UU          A          GCUAUGGC 
                     CUGG  GGUGAU  AGGUAGUUUC UGUUGUUGGG        \
                     GACU  UCAUUA  UCCGUCAAAG ACGACAGCUC        U
CUGGGCCCACUACUAAUCUUU^   --      CU          C          UUUCUCUC 
 120       110       100          90        80        70