Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 4 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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