10          20          30        40        50         
AAAUUGAAGCAGCAAUA--         --| CAU         A        UU  GAAAU 
                   CAGCUUUGG  GC   GUGAUGUGC UGUGGGCU  CC     \
                   GUUGGAACC  CG   UACUACAUG ACACCCGG  GG     U
UAAUACUACGUAUAUAGAA         AG^ AU-         A        U-  ACAAU 
       110       100        90         80        70         60