Langer's Sudoku Assistant

Invalid Sudoku!

Row 5 is invalid. Column 2 is invalid. The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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