Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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