Killer Sudoku, Difficulty 3

Puzzle 5998 Sep 19 September 2012
Puzzle 6008 Sep 21 September 2012
Puzzle 6018 Sep 23 September 2012
Puzzle 6028 Sep 25 September 2012
Puzzle 6038 Sep 27 September 2012
Puzzle 6048 Sep 29 September 2012
Puzzle 6058 Oct 1 October 2012
Puzzle 6067 Oct 3 October 2012
Puzzle 6077 Oct 5 October 2012
Puzzle 6087 Oct 7 October 2012
Daily Killer Sudoku