Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 6 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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