10          20        30        40        50          
CACAGGAAUGCGGAACU--|  A  GG      U         C          GUUCACA 
                   GGC GU  CCCGGU CAAGUAAUC AGGAUAGGCU       \
                   UCG CG  GGGUUA GUUCAUUAG UCUUAUCCGG       U
CCUCGAGCGGCUGCACUUA^  A  GA      C         U          UGCGUCU 
 .       110       100        90        80        70