Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 9 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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