Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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