Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 6 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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