Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 9 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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