Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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