Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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