Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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