Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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