Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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