10         20         30        40        50          
UAUAACUACAAUUUUUUGU-   CCC-|       UU          UG   U  GUGACU 
                    GGA    CUUUUACU  AACAUGGAGG  CUU CU      \
                    CCU    GGAGAUGA  UUGUACCUUC  GAA GA      U
CAUAAAGUCAUAACACUAGU   AAGU^       UU          GU   U  AGAAAA 
 .       110       100        90        80        70