Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Go back and make a different choice.

 

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

 

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