Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 6 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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