Langer's Sudoku Assistant

Invalid Sudoku!

Row 3 is invalid. Column 4 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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