Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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