Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Go back and make a different choice.

 

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

 

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