10          20        30        40        50         
GCAAUAACAGCCUCGAU--|     C        A             U     GUCAUC 
                   GCAGGG AUUUCCUG GGAUUAAUGACUG CUGGG      \
                   UGUCUC UAAAGGAC CCUAAUUAUUGAU GACCC      A
UUCGUUAUUACUAGUUCCG^     A        C             U     UCCUCU 
       110       100        90        80        70        60