Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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