Langer's Sudoku Assistant

Invalid Sudoku!

Row 7 is invalid. Column 2 is invalid. The bottom left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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