Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 6 is invalid. Go back and make a different choice.

 

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

 

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