Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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