10          20        30        40        50          
CCGACCCCUGGUCCCGU--|      G      A       C  CU     C  GUGACGG 
                   GUGGCAC GUGUGG GAGGUCA GU  CAUGC GU       \
                   CGCCGUG CACAUC CUCUAGU CG  GUGCG CG       U
AUAGAGGCCGGCCUGUCUG^      A      C       A  AG     U  UAUAAUU 
 .       110       100        90        80        70