Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Go back and make a different choice.

 

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

 

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