Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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