Langer's Sudoku Assistant

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

 

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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