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

 

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