Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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