Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 6 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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