Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 2 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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