Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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