Grille téléchargée depuis www.123sudoku.net
L'utilisation d'une police à taille fixe est recommandé.
Niveau : difficile
/----+----+----+----+----+----+----+----+----\ 
|  xx|  xx|  xx|  xx|    |    |    |    |  xx|
|xx  |xx  |xx  |xx  |37  |36  |28  |29  |xx  |
|----+----+----+----+----+----+----+----+----|
|  xx|    |    |  14|    |    |    |    |  xx|
|xx  |14  |35  |30  |    |    |    |    |xx  |
|----+----+----+----+----+----+----+----+----|
|  34|    |    |    |    |    |    |    |  xx|
|    |    |    |    |    |    |    |    |xx  |
|----+----+----+----+----+----+----+----+----|
|  28|    |    |    |    |    |    |    |    |
|    |    |    |    |    |    |    |    |15  |
|----+----+----+----+----+----+----+----+----|
|  41|    |    |    |    |    |    |    |    |
|    |    |    |    |    |    |    |    |    |
|----+----+----+----+----+----+----+----+----|
|  36|    |    |    |    |    |    |    |    |
|    |    |    |    |    |    |    |    |    |
|----+----+----+----+----+----+----+----+----|
|  xx|  28|    |    |    |    |    |    |    |
|xx  |    |    |    |    |    |    |    |    |
|----+----+----+----+----+----+----+----+----|
|  xx|  33|    |    |    |    |    |    |    |
|xx  |    |    |    |    |    |    |    |    |
|----+----+----+----+----+----+----+----+----|
|  xx|  10|    |    |    |    |  xx|  xx|  xx|
|xx  |    |    |    |    |    |xx  |xx  |xx  |
\----+----+----+----+----+----+----+----+----/