Langer's Sudoku Assistant

Invalid Sudoku!

Row 6 is invalid. Column 1 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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