Langer's Sudoku Assistant

Invalid Sudoku!

Row 1 is invalid. Column 6 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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