Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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