10          20        30        40        50         
UUGAUCCAAUUGACAUCC--|   U   A              U    C      UGAUG 
                    AAGG CUC UCCAGGUCUGAUAG CUAC UUUCUG     U
                    UUCC GGG AGGUCUAGACUAUU GAUG AAAGAC     A
GACUACUGUCAACUAUCGGU^   U   A              U    -      UCAAA 
       110       100        90        80         70        60