Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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