Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Go back and make a different choice.

 

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

 

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