Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 6 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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