10 20 30 40 50
CGGCCGAGGGCCCGCGU--| AGU UGUCGC
GCGCGCGGGCGUGUG GUGUGUGUGUGAGUGUG \
CGCGCGCCCGCACGC CACACACGUACUCGCAC U
CCGGCUCCCCCGUCUCGGC^ C-- CUGGGC
110 100 90 80 70 60