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.

 

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

 

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