Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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