Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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