Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Go back and make a different choice.

 

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

 

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