Langer's Sudoku Assistant

Invalid Sudoku!

The middle left 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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