Killer Sudoku, Difficulty 3

Puzzle 4 Jan 2 January 2009
Puzzle 7 Jan 3 January 2009
Puzzle 19 Jan 7 January 2009
Puzzle 28 Jan 8 January 2009
Puzzle 31 Jan 9 January 2009
Puzzle 55 Jan 17 January 2009
Puzzle 76 Jan 24 January 2009
Puzzle 79 Jan 25 January 2009
Puzzle 88 Jan 28 January 2009
Puzzle 100 Feb 1 February 2009
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