Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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