Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 8 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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