Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 1 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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