Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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