Gibt es da mehr Lösungen?

[sudiki]

23 4
   8  7
     36 2
 91    7
   9 1 2
     596
3 4
1   4
    683 5

[bambi]

(Note: with less than 17 squares filled in or less than 8 different digits it is known that there will be duplicate solutions. Thanks to Olivier Grégoire for the fine suggestion about 8 different digits.)

[sudiki]

Also eig. Nicht... Suche dann morgen den Fehler