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.

 

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

 

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