Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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