10         20         30        40        50     
UAGAAAGCACAUAGUGU-    U-|    U  UA        C   G       GU 
                  GGCA  UUAGG GA  CGCAAUCC UAG UUACCAU  \
                  CCGU  AAUCC CU  GCGUUAGG AUC AAUGGUA  C
CGACAUCGUAACGUCAAU    UC^    U  UC        U   A       GA 
 .       100        90        80        70        60