Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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