Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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