Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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