ドゥブリュエイン列：３シンボルの３文字単語の場合

Graph  G :
 1 1 1 0 0 0 0 0 0
 0 0 0 1 1 1 0 0 0
 0 0 0 0 0 0 1 1 1
 1 1 1 0 0 0 0 0 0
 0 0 0 1 1 1 0 0 0
 0 0 0 0 0 0 1 1 1
 1 1 1 0 0 0 0 0 0
 0 0 0 1 1 1 0 0 0
 0 0 0 0 0 0 1 1 1

Eulerian Circuit :
00 -> 00 -> 01 -> 10 -> 00 -> 02 -> 20 -> 01 -> 11 -> 10 -> 01 
-> 12 -> 20 -> 02 -> 21 -> 10 -> 02 -> 22 -> 21 -> 11 -> 11 
-> 12 -> 21 -> 12 -> 22 -> 22 -> 20 -> 00

De Bruijn sequence : 
00010020110120210221112122200