Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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