10          20        30        40        50          
GCUACAGAGCAAACCAU--|      U  C  UGCGC         U  U  C  UAAACU 
                   UAGCAGC GC CC     CCAGGGAUA AA AG GG      \
                   AUCGUCG CG GG     GGUCCCUAU UU UC CC      U
CUCCGUCGUCACCACUACC^      C  U  UCAU-         C  U  A  AGAAAC 
.       110       100        90         80        70