Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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