Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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