Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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