Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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