Grille téléchargée depuis www.123sudoku.net
L'utilisation d'une police à taille fixe est recommandé.
Niveau : difficile
/----+----+----+----+----+----+----+----+----\ 
|  xx|    |    |  xx|    |    |  xx|    |    |
|xx  | 8  |36  |xx  |39  |36  |xx  |36  | 3  |
|----+----+----+----+----+----+----+----+----|
|   3|    |    |   7|    |    |   3|    |    |
|    |    |    |21  |    |    |25  |    |    |
|----+----+----+----+----+----+----+----+----|
|  36|    |    |    |    |    |    |    |    |
|    |    |    |    |    |    |    |    |    |
|----+----+----+----+----+----+----+----+----|
|  xx|  29|    |    |    |    |    |    |    |
|xx  | 8  |    |    |    |    |    |    |11  |
|----+----+----+----+----+----+----+----+----|
|  36|    |    |    |    |    |    |    |    |
|    |    |    |    |    |    |    |    |    |
|----+----+----+----+----+----+----+----+----|
|  38|    |    |    |    |    |    |    |    |
|    |    |    |    |    |    |    |    |    |
|----+----+----+----+----+----+----+----+----|
|  xx|  27|    |    |    |    |    |    |    |
|xx  | 6  |    |    |    |    |    |    | 3  |
|----+----+----+----+----+----+----+----+----|
|  39|    |    |    |    |    |    |    |    |
|    |    |    |    |    |    |    |    |    |
|----+----+----+----+----+----+----+----+----|
|   5|    |    |   5|    |    |   4|    |    |
|    |    |    |    |    |    |    |    |    |
\----+----+----+----+----+----+----+----+----/