Killer Sudoku, Difficulty 3

Puzzle 11994 Dec 30 December 2015
Puzzle 12009 Jan 2 January 2016
Puzzle 12019 Jan 4 January 2016
Puzzle 12029 Jan 6 January 2016
Puzzle 12039 Jan 8 January 2016
Puzzle 12049 Jan 10 January 2016
Puzzle 12059 Jan 12 January 2016
Puzzle 12069 Jan 14 January 2016
Puzzle 12079 Jan 16 January 2016
Puzzle 12089 Jan 18 January 2016
Daily Killer Sudoku