10          20        30        40         50        60
CCCUGCGGCGAGUGUGU--    GA           U     C-|   G  G   GGUCUGU 
                   GCGC  CAGGGGCUGGG CUUUG  GGGC AG UGA       U
                   CGCG  GUCCCUGACCC GAAAC  CCCG UC ACU       C
UCCCCCGGCGCGGCCAGCC    GG           U     AU^   G  A   CUCUCCC 
 120       110       100        90        80        70