Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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