Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 4 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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