Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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