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