Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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