Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 8 is invalid. The top right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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