Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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