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.

 

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

 

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