Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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