Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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