10          20        30        40        50        60
GUAACUGCACCAUUUUA--|                      C            GUAAUA 
                   CAAUCCAGUGAGGAUUCUAAUUU UCCACAUCUUUG      A
                   GUUAGGUUACUCCUAAGGUUAAA AGGUGUAGAAAC      G
GUGAUCCUACAUAAUAUUG^                      A            GGUUUU 
120       110       100        90        80        70