Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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