Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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