Killer Sudoku, Difficulty 10

Puzzle 842 Oct 5 October 2009
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Difficulty 10/10 Average solving time 36 min
Puzzle 848 Oct 7 October 2009
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Difficulty 10/10 Average solving time 33 min
Puzzle 857 Oct 10 October 2009
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Difficulty 10/10 Average solving time 40 min
Puzzle 863 Oct 12 October 2009
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Difficulty 10/10 Average solving time 27 min
Puzzle 887 Oct 20 October 2009
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Difficulty 10/10 Average solving time 42 min
Puzzle 911 Oct 28 October 2009
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Difficulty 10/10 Average solving time 36 min
Puzzle 935 Nov 5 November 2009
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Difficulty 10/10 Average solving time 50 min
Puzzle 941 Nov 7 November 2009
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Difficulty 10/10 Average solving time 29 min
Puzzle 956 Nov 12 November 2009
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Difficulty 10/10 Average solving time 41 min
Puzzle 959 Nov 13 November 2009
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Difficulty 10/10 Average solving time 34 min
Daily Killer Sudoku