Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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