Killer Sudoku, Difficulty 10

Puzzle 2102 Sep 7 September 2010
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Difficulty 10/10 Average solving time 25 min
Puzzle 2125 Sep 12 September 2010
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Difficulty 10/10 Average solving time 28 min
Puzzle 2134 Sep 14 September 2010
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Difficulty 10/10 Average solving time 25 min
Puzzle 2164 Sep 20 September 2010
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Difficulty 10/10 Average solving time 25 min
Puzzle 2191 Oct 3 October 2010
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Difficulty 10/10 Average solving time 27 min
Puzzle 2226 Oct 10 October 2010
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Difficulty 10/10 Average solving time 29 min
Puzzle 2231 Oct 11 October 2010
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Difficulty 10/10 Average solving time 30 min
Puzzle 2265 Oct 18 October 2010
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Difficulty 10/10 Average solving time 48 min
Puzzle 2274 Oct 20 October 2010
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Difficulty 10/10 Average solving time 41 min
Puzzle 2278 Sep 25 September 2010
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Difficulty 10/10 Average solving time 43 min
Daily Killer Sudoku