10          20        30        40         50        
AUAAUUUACUUUUAAAG--   C         CU       U       -|   GUUGGG 
                   GCA AGAGUUAUA  GGAGAUA GGAAGAG CUGU      U
                   CGU UCUCGGUGU  CUUCUAU UCUUUUC GACA      A
CCAGGGUCCACUCGUGUUA   U         AU       U       G^   AUGAAU 
       110       100        90        80        70        60