Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 6 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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