Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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