Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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