Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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