Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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