10 20 30 40 50 60
CCCCGGCAAAAGAAAAA--| A C UGUUUCCAC
GAAUGGAAUGGAAUUUGAAACGUUUU GC AAAAA \
CUUGCCUUGCUUUAGACUUUGCAAAG CG UUUUU G
CUCGAGCAGACUUCGACCU^ A U GUGGAACUU
120 110 100 90 80 70