10          20        30         40        50        
UUAUACAGGUGUAACAC--|   G  A     UUU   -    G   CAU     GUAGC 
                   AGGU GU CGCCC   CCU CUCU CCC   AGGGU     U
                   UCCG CG GUGGG   GGA GAGA GGG   UCCCG     C
GACCAUCGGUAACUCGACC^   A  A     UU-   A    A   AUC     UCAAU 
      110       100        90         80        70        60