Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Go back and make a different choice.

 

7
6
8
4
1
2
3
5
9
1
9
5
6
7
3
8
2
4
3
4
2
9
8
5
1
6
7
5
3
1
8
2
7
6
9
4
2
4
9
3
6
1
5
8
7
6
7
8
4
5
9
2
1
3
9
       
4      
7      
6
1
       
4      
7      
5
2
8
3
       
4      
7      
5
8
       
4      
7     9
3
2
       
       
7     9
1
6
7
3
1
8
9
6
5
2
4

 

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