Langer's Sudoku Assistant

Invalid Sudoku!

Row 3 is invalid. Go back and make a different choice.

 

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

 

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