Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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