Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. The middle center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

Start Over

Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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