Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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