Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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