Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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