Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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