Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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