Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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