Langer's Sudoku Assistant

Invalid Sudoku!

Row 3 is invalid. Column 3 is invalid. The top left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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