Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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