Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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