10         20        30         40        50        60     
GGUCCAUGGACCAGCAUCA-        UG   -|          A      G  CCGGGCUUCUC 
                    GCAUUACC  GUA GUGAGUUAGAA UGCAGA CC           \
                    UGUAAUGG  CGU CACUUAAUUUU ACGUCU GG           A
UCAGGUAGUCACGAAAUGUC        UA   A^          -      A  UCAUCCAAACG 
.       120       110       100        90         80        70