Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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