Killer Sudoku, Difficulty 10

Puzzle 515 Jun 18 June 2009
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Difficulty 10/10 Average solving time 50 min
Puzzle 518 Jun 19 June 2009
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Difficulty 10/10 Average solving time 51 min
Puzzle 520 Jun 20 June 2009
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Difficulty 10/10 Average solving time 40 min
Puzzle 521 Jun 20 June 2009
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Difficulty 10/10 Average solving time 43 min
Puzzle 524 Jun 21 June 2009
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Difficulty 10/10 Average solving time 31 min
Puzzle 527 Jun 22 June 2009
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Difficulty 10/10 Average solving time 47 min
Puzzle 530 Jun 23 June 2009
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Difficulty 10/10 Average solving time 39 min
Puzzle 533 Jun 24 June 2009
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Difficulty 10/10 Average solving time 37 min
Puzzle 536 Jun 25 June 2009
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Difficulty 10/10 Average solving time 45 min
Puzzle 539 Jun 26 June 2009
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Difficulty 10/10 Average solving time 33 min
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