Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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