Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Go back and make a different choice.

 

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

 

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