Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. Column 9 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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