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

 

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