Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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