Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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