Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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