Langer's Sudoku Assistant

Invalid Sudoku!

Row 9 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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