Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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