Langer's Sudoku Assistant

Invalid Sudoku!

Row 4 is invalid. Column 5 is invalid. The bottom center 3x3 Box is invalid. Go back and make a different choice.

 

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

 

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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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