Killer Sudoku, Difficulty 10

Puzzle 12241 Feb 17 February 2016
Puzzle 12246 Feb 18 February 2016
Puzzle 12256 Feb 20 February 2016
Puzzle 12266 Feb 22 February 2016
Puzzle 12276 Feb 24 February 2016
Puzzle 12286 Feb 26 February 2016
Puzzle 12296 Feb 28 February 2016
Puzzle 12306 Mar 1 March 2016
Puzzle 12311 Mar 2 March 2016
Puzzle 12321 Mar 4 March 2016
Daily Killer Sudoku