Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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