10            20        30        40        50          
CCGUAGAAAUCACUCGG----|    GA     U        G   U     A    CUUGUG 
                     GCUCU  GCUGC CAUCACUA AUC UGCUG UAUC      \
                     UGAGG  UGACG GUGGUGAU UAG ACGAC GUAG      A
GACAACCCAACCAUAAGCAAC^    --     U        G   U     -    ACUCGA 
.       110       100          90        80         70