Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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