Killer Sudoku, Difficulty 10

Puzzle 569 Jul 6 July 2009
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Difficulty 10/10 Average solving time 45 min
Puzzle 572 Jul 7 July 2009
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Difficulty 10/10 Average solving time 44 min
Puzzle 575 Jul 8 July 2009
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Difficulty 10/10 Average solving time 37 min
Puzzle 578 Jul 9 July 2009
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Difficulty 10/10 Average solving time 56 min
Puzzle 581 Jul 10 July 2009
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Difficulty 10/10 Average solving time 31 min
Puzzle 584 Jul 11 July 2009
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Difficulty 10/10 Average solving time 31 min
Puzzle 587 Jul 12 July 2009
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Difficulty 10/10 Average solving time 48 min
Puzzle 590 Jul 13 July 2009
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Difficulty 10/10 Average solving time 33 min
Puzzle 593 Jul 14 July 2009
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Difficulty 10/10 Average solving time 43 min
Puzzle 596 Jul 15 July 2009
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Difficulty 10/10 Average solving time 46 min
Daily Killer Sudoku