10         20        30         40         50        
CUCUGUCUCUCUCUCUC-  A          -              -|      AGUAAU 
                  GC GCUGCCGGCG UCAUUUUUGUGAUU UGCAGCU      C
                  UG CGACGGUUGC AGUGAAAACACUGA ACGUUGA      U
UACGAGGUACGUCGUCCG  C          U              U^      CCUCGG 
       110       100        90        80        70        60