dcdcffacadacefeafffceecdeeaeddadfedaccbbeecbdaabdadbdcffeccdcfeaafedebbcaebdcbdacdffadbdafddbcccbdacaedbaebfcdeaadfeafffcdfadceaacbfacbcaebfcfabeddfbddfafdafbbaefadefbbbcddaaecaaedbeebfcbedcdfddbffeccffeabeeccefbdbffededddfbdccddcacbedbbcdecfaabadcdddadfdbcbfacacffbedecaafcecffaffaaddbaeffecdacaafeccceafcfafbaecfeebcdcacbbabecbfcffdedaeaddadebffbdedfdeefbdcbbbbbfdeccfbebaaaccbfefcdbdafaeecceddfef