10          20        30        40         50        60        70  
UUUCAAAUGUCUUAUUG--            U         UGG-|     A    CAGAAUUGCGUAAUUUUA 
                   UCGGGUGUCUGU AGUUGGAAG    GGAUCU GGCA                  A
                   GGCUUACAGGUA UCGACCUUC    UCUAGA CCGU                  A
UCUUACUUCUCUUCUAUGA            C         UCAA^     -    GAUAGACCUUCAACGUCA 
    140       130       120       110       100         90        80