Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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