Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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