Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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