Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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