Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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