Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 2 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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