Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 4 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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