Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 6 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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