Killer Sudoku, Difficulty 3

Puzzle 11384 Aug 30 August 2015
Puzzle 11399 Sep 2 September 2015
Puzzle 11409 Sep 4 September 2015
Puzzle 11419 Sep 6 September 2015
Puzzle 11429 Sep 8 September 2015
Puzzle 11439 Sep 10 September 2015
Puzzle 11449 Sep 12 September 2015
Puzzle 11459 Sep 14 September 2015
Puzzle 11469 Sep 16 September 2015
Puzzle 11479 Sep 18 September 2015
Daily Killer Sudoku