Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 6 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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