Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 5 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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