Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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