Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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