Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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