Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 2 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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