Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 7 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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