Killer Sudoku, Difficulty 3

Puzzle 10548 Mar 16 March 2015
Puzzle 10558 Mar 18 March 2015
Puzzle 10568 Mar 20 March 2015
Puzzle 10578 Mar 22 March 2015
Puzzle 10588 Mar 24 March 2015
Puzzle 10598 Mar 26 March 2015
Puzzle 10608 Mar 28 March 2015
Puzzle 10618 Mar 30 March 2015
Puzzle 10633 Apr 2 April 2015
Puzzle 10643 Apr 4 April 2015
Daily Killer Sudoku