Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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