Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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