Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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