Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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