Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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