Langer's Sudoku Assistant

Invalid Sudoku!

Row 8 is invalid. Column 9 is invalid. The bottom right 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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