Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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