Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Go back and make a different choice.

 

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

 

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