Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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