10          20        30        40        50         
CAAGGCAGGCUGUAUUU--|                     A      U     AUGAAU 
                   GGGGGAGUGAAGAGUAGAUAAA UAUUGG ACCUG      \
                   CCCCUUUACUUCUCGUCUAUUU AUAACU UGGAC      C
UGGAUGUCAUUCAUCUAUA^                     C      U     CGGAGU 
       110       100        90        80        70        60