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.

 

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

 

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