Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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