Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 5 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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