Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 8 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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