10         20           30        40        50          
CGGACAGGGCAAGCUCG-   ---|     ACA   U      CU     CU    U  UGGU 
                  GCG   GCACAG   GCA UCGACG  GCUGG  UACG GG    \
                  CGC   UGUGUU   CGU AGUUGC  UGACC  GUGC CU    U
AUAGCCAGCGACAUUAAG   AGA^     GA-   U      AG     U-    -  AUAG 
.       110       100        90         80         70