Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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