Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 5 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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