Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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