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.

 

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

 

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