Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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