Killer Sudoku, Difficulty 3

Puzzle 15123 Sep 8 September 2017
Puzzle 15133 Sep 10 September 2017
Puzzle 15143 Sep 12 September 2017
Puzzle 15163 Sep 16 September 2017
Puzzle 15193 Sep 22 September 2017
Puzzle 15233 Sep 30 September 2017
Puzzle 15243 Oct 2 October 2017
Puzzle 15273 Oct 8 October 2017
Puzzle 15283 Oct 10 October 2017
Puzzle 15293 Oct 12 October 2017
Daily Killer Sudoku