Langer's Sudoku Assistant

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

 

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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