Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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