10 20 30 40 50
GAGGACAGCCUCUAUGC----| AU C G UG U ACAGA
UCCG CUCGAC ACG GUAUUCU GGU GAUAAU U
AGGU GAGCUG UGC CAUAAGA UCG UUAUUG G
AGUCAAAAACCACUAUUUCGU^ -- A G GU - UAGGU
110 100 90 80 70 60