Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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