10          20        30        40        50        60
UGGUAUCAGUAAGAAUUG--|           A       A        AC  CAGAUAGU 
                    AUUGGUUAAGAC ACUGGUA CAGUAGGA  GC        U
                    UAGCCGGUUCUG UGACUAU GUCGUCCU  CG        G
UGUCGCACUAUUCCCUUCUG^           A       C        --  UCUUUUGU 
.       110       100        90        80          70