Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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