10        20          30        40        50         
AAAAUCAAGAAAGCCAGCAAG--|  G     C        GA         AGAUAUGU 
                       UCC UUGUC UUGGCACU  AGAAUUCAC        \
                       GGG AAUAG GACCGUGG  UCUUAGGUG        U
GGACCUUUGGCUCGCAACAAUGU^  A     A        GC         CUUGAAAU 
       110       100        90        80        70        60