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.

 

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

 

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