Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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