Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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