Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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