Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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