Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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