Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 9 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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