Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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