Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 3 is invalid. Go back and make a different choice.

 

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

 

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