Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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