10        20          30        40        50          
UGGGUUCCAGCUGAUCUA   --|  G     A         U  AGU      GGGGUAG 
                  CCU  CAC GUGUG GGUGGUCGC UG   UGCAGU       \
                  GGG  GUG CACAU CCACCAGUG AC   ACGUCA       U
UUUGAGGACUGUCUCUAC   CC^  A     C         U  CCU      CACAAGG 
 .       110       100        90        80        70