10          20        30        40        50        
GUGGUGCUCGUAUUUUU--|     AA  UCCC       G       A     CAUUG 
                   GCUCCC  GG    GCCACUA GUCGCAU ACACG     U
                   UGAGGG  UC    UGGUGAU CAGUGUA UGUGC     C
CGUGAUCCUACGUUUCCGU^     GA  UGUA       G       G     CACAA 
      110       100        90        80        70        60