Langer's Sudoku Assistant

Invalid Sudoku!

Row 1 is invalid. Column 5 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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