Killer Sudoku, Difficulty 3

Puzzle 618 Jul 23 July 2009
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Difficulty 3/10 Average solving time 30 min
Puzzle 621 Jul 24 July 2009
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Difficulty 3/10 Average solving time 28 min
Puzzle 624 Jul 25 July 2009
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Difficulty 3/10 Average solving time 26 min
Puzzle 627 Jul 26 July 2009
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Difficulty 3/10 Average solving time 21 min
Puzzle 642 Jul 31 July 2009
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Difficulty 3/10 Average solving time 27 min
Puzzle 661 Aug 6 August 2009
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Difficulty 3/10 Average solving time 23 min
Puzzle 664 Aug 7 August 2009
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Difficulty 3/10 Average solving time 36 min
Puzzle 667 Aug 8 August 2009
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Difficulty 3/10 Average solving time 39 min
Puzzle 670 Aug 9 August 2009
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Difficulty 3/10 Average solving time 19 min
Puzzle 676 Aug 11 August 2009
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Difficulty 3/10 Average solving time 29 min
Daily Killer Sudoku