Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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