Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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