10 20 30 40 50
CGCCCGCCCGCGCCCCG---| CCCG - U ACGUCGU
GCCGC CAGCAGUUCUUCAG UGGCA GCUUU G
CGGUG GUUGUCAAGAAGUU ACCGU CGAAA U
GGCCCCGGCUCGUCUCUCAC^ CCA- G - UCGACCG
. 110 100 90 80 70 60