Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 4 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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