Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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