Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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