Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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