10        20          30        40        50          
GUGUUUAUAAUCCUUUUUUU--|  C  UG         A          CC   UGGAUA 
                      GAU UU  UGUAAUCUC GUUAGUAAUU  GAG      \
                      CUG AA  ACAUUAGAG CGAUCAUUGA  CUC      A
CACCUAAGUACGACAAUCGACU^  U  GU         C          A-   CGAUAG 
.       110       100        90        80        70