Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 8 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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