Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 7 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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