Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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