0 0 0 0 0 0 0 1 2
0 0 8 0 3 0 0 0 0
0 0 0 0 0 0 0 4 0
1 2 0 5 0 0 0 0 0
0 0 0 0 0 4 7 0 0
0 6 0 0 0 0 0 0 0
5 0 7 0 0 0 3 0 0
0 0 0 6 2 0 0 0 0
0 0 0 1 0 0 0 0 0
 
Sudoku à 17 chiffres (solution en 140 secondes)