Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 9 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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