10          20        30        40        50        60 
AAAUUCAUUUAUUCGGC--|    U       C    C          C  CA  CGAUUUU 
                   UCUCC UGGGAGG CUCG GACGUGAUAG GG  CC       \
                   AGGGG GUCCUUC GGGU CUGCAUUGUC CC  GG       A
UACUACCCUUUCUCGAAAU^    U       A    C          -  AC  UGUCAGA 
120       110       100        90        80         70