Killer Sudoku, Difficulty 10

Puzzle 66 Jan 20 January 2009
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Difficulty 10/10 Average solving time 54 min
Puzzle 68 Jan 21 January 2009
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Difficulty 10/10 Average solving time 50 min
Puzzle 69 Jan 21 January 2009
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Difficulty 10/10 Average solving time 56 min
Puzzle 72 Jan 22 January 2009
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Difficulty 10/10 Average solving time 1h 3m
Puzzle 75 Jan 23 January 2009
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Difficulty 10/10 Average solving time 1h 0m
Puzzle 77 Jan 24 January 2009
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Difficulty 10/10 Average solving time 47 min
Puzzle 78 Jan 24 January 2009
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Difficulty 10/10 Average solving time 57 min
Puzzle 80 Jan 25 January 2009
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Difficulty 10/10 Average solving time 37 min
Puzzle 81 Jan 25 January 2009
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Difficulty 10/10 Average solving time 51 min
Puzzle 84 Jan 26 January 2009
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Difficulty 10/10 Average solving time 34 min
Daily Killer Sudoku