Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 7 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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