Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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