Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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