Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 1 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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