10          20        30        40        50          
CCUGGCGGCCACGAUGC-  -|    U    C    GU  C    U     CC  GCCCCA 
                  GC GCGUC GGUG CGGG  UU ACGG GCCAG  GA      \
                  CG CGCGG CCGC GCCC  AA UGCC CGGUC  CU      C
GACGCGGACGCACGCACU  C^    C    A    UG  A    -     AC  AGGCGA 
.       110       100        90        80         70