Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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