Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 6 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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