Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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