Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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