Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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