Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 6 is invalid. Go back and make a different choice.

 

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

 

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