10          20        30         40        50     
UGACACGGAAUAGGUUU--|    UU  UC  A-          U    A    AUU 
                   CUGAG  CC  CA  UUCAAAUAUC ACUG UGGA   \
                   GACUC  GG  GU  AAGUUUAUGG UGAC ACCU   U
GCAAUUAGGAGACGAGUCA^    U-  GU  CC          U    A    UAA 
 .       100        90         80        70        60