10          20         30        40        50          
CUGAGUGACUCCACCAU--      AA   -|  U         C          GUGCUUA 
                   GGCCAG  CCU GCU CAAGUAAUC AGGAUAGGCU       \
                   UCGGUC  GGG CGG GUUCAUUAG UCUUGUCCGG       C
CUGUCGGUUGCUACGAGUC      GG   U^  -         U          UCUCUCU 
 .       110       100        90         80        70