Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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