Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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