Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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