Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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