Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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