Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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