Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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