10          20        30        40        50        60
CUCUUAAAUAACAAGUU--|   UCCUCU   UC  UG   C           AUGUGUGU 
                   GCAC      CAG  CC  AGA CCUAACUUGUG        C
                   CGUG      GUC  GG  UCU GGAUUGGGCAC        U
AGGAUAAAUUCUACAGUUG^   UCGUGU   GA  GU   C           CUAAUUCC 
120       110       100        90        80        70