10          20        30        40        50        60
CUCAAGAAAAAUUUCUU--|   UC   U   UC  UG   C           AUGUUUAC 
                   GCGC  CUC CAG  CC  AGA CCUAACUUGUG        C
                   CGUG  GAG GUC  GG  UCU GGAUUGGGCAC        G
UUUAAAGGUUCUACGUUUC^   CU   C   GA  GU   C           CUAAAUUU 
120       110       100        90        80        70