Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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