10           20        30        40        50        60
AAAAAAAGACAUUUGUC---|  UAU      C    G    U        U   UCCCUUG 
                    AGC   UCGUGG UGAG UAGU GGUUGUAU GUU       U
                    UCG   GGUACC AUUC AUCG CCGACAUA CAA       G
CGAAAAUAAGCACCUAUCAA^  UU-      A    G    C        U   UUGUAAU 
120       110       100         90        80        70