Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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