Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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