Killer Sudoku, Difficulty 7

Puzzle 13430 Oct 12 October 2016
Puzzle 13565 Nov 8 November 2016
Puzzle 13665 Nov 28 November 2016
Puzzle 14029 Feb 8 February 2017
Puzzle 14107 Feb 20 February 2017
Puzzle 14147 Feb 28 February 2017
Puzzle 14167 Mar 4 March 2017
Puzzle 14177 Mar 6 March 2017
Puzzle 14197 Mar 10 March 2017
Puzzle 14207 Mar 12 March 2017
Daily Killer Sudoku