Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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