Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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