Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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