// output of ./demo/comb/debruijn-demo.cc: // Description: //% Generating De Bruijn sequences. arg 1: 3 == m [m-ary De Bruijn sequence] default=3 arg 2: 4 == n [length = m**n] default=4 n = 4 length = 81: 0 0001 0002 0011 0012 0021 0022 01 0102 0111 0112 0121 0122 02 0211 0212 0221 0222 1 1112 1122 12 1222 2 000010002001100120021002201010201110112012101220202110212022102221111211221212222 ct=81