Langer's Sudoku Assistant

Invalid Sudoku!

Row 2 is invalid. The top left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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