10         20         30        40        50          
AAACCAUUCCAAUUGAA-    -|                  UG  G     U  CAACUA 
                  ACCU UCGGACCAUUGUGAAUUUU  CU CGGUG UA      \
                  UGGG AGCCUGGUAACGCUUAAAA  GG GCCAC AU      A
AGGUCCGAGGUGUACUUA    U^                  GU  -     U  GUCUAC 
.       110       100        90        80         70