10         20         30        40        50         
GGUCCCCCCCACUCCGA-    GC-| G             U            GUGCCG 
                  CGCC   CC GGCGACCGUGGCU UAGAUUGUUACU      \
                  GCGG   GG CCGCUGGUACCGA AUCUGACAAUGG      C
GACGGGCGCGACGCUAAG    ACA^ G             C            GGGGGU 
       110       100        90        80        70        60