Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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