Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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