Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 7 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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