Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 2 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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