Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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