Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 8 is invalid. The middle right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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