Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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