Killer Sudoku, Difficulty 3

Puzzle 11489 Sep 20 September 2015
Puzzle 11499 Sep 22 September 2015
Puzzle 11509 Sep 24 September 2015
Puzzle 11519 Sep 26 September 2015
Puzzle 11529 Sep 28 September 2015
Puzzle 11539 Sep 30 September 2015
Puzzle 11549 Oct 2 October 2015
Puzzle 11559 Oct 4 October 2015
Puzzle 11569 Oct 6 October 2015
Puzzle 11579 Oct 8 October 2015
Daily Killer Sudoku