Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 8 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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