Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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