Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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