Langer's Sudoku Assistant

Invalid Sudoku!

Row 3 is invalid. Column 1 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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