10          20        30        40        50        60
GUAACUGCACCAUUUUA--|    C  C              C            GUAAUA 
                   CAAUC AA GAGGAUUCUAAUUU UCCACGUCUUUG      A
                   GUUAG UU CUCCUAAGGUUAAA AGGUGUAGAAAC      G
GGUGAUCCUACCAAUAUUG^    C  A              A            GGUUUG 
120       110       100        90        80        70