Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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