Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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