Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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