10            20        30        40        50         
AUUUUUUUUGGCUGUGG----|   UUGG                   AAU     GCAAAA 
                     UUGU    UUUCUUAAUAUCAGCUGGU   CCUGA      \
                     AACA    AAGGGGUUAUGGUUGAUCG   GGACU      G
GUCACCGUCUCAGGGAUUGCC^   CA--                   GC-     CUCUAA 
      110       100          90        80         70        60