Langer's Sudoku Assistant

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