10         20         30        40        50         
CUGUGUGUACGCACUUAUU-    AA-|  CU        C  AC         CUAUCA 
                    UGCC   UGA  CCUUGUCA UU  UCGUCUAGU      \
                    ACGG   GUU  GGAAUAGU AA  GGCAGGUCA      A
AGAUCAUAGUCUACAUACGU    ACC^  CG        C  GA         AGAAUA 
       110       100        90        80        70        60