Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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