Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 8 is invalid. The top left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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