Langer's Sudoku Assistant

Invalid Sudoku!

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

 

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

 

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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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