Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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