Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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