Killer Sudoku, Difficulty 3

Puzzle 9713 Sep 30 September 2014
Puzzle 9723 Oct 2 October 2014
Puzzle 9733 Oct 4 October 2014
Puzzle 9743 Oct 6 October 2014
Puzzle 9753 Oct 8 October 2014
Puzzle 9763 Oct 10 October 2014
Puzzle 9773 Oct 12 October 2014
Puzzle 9783 Oct 14 October 2014
Puzzle 9793 Oct 16 October 2014
Puzzle 9803 Oct 18 October 2014
Daily Killer Sudoku