Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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