Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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