Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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