10        20        30          40        50          
CCGGGAUCCCAGUUGAGU           A  AGUU  --|             GUGAUAG 
                  UACAGCACGGU UG    GG  ACACGUGGUGCAGU       \
                  GUGUUGUGCCA AU    CC  UGUGCACUACGUCG       U
UUAGAUGUCUUCCUCUCU           C  GCCU  AG^             AAUAAGG 
 .       110       100        90        80        70