Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 2 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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