Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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