Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. The top center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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