Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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