Killer Sudoku, Difficulty 3

Puzzle 7368 Jun 18 June 2013
Puzzle 7378 Jun 20 June 2013
Puzzle 7388 Jun 22 June 2013
Puzzle 7398 Jun 24 June 2013
Puzzle 7408 Jun 26 June 2013
Puzzle 7418 Jun 28 June 2013
Puzzle 7428 Jun 30 June 2013
Puzzle 7438 Jul 2 July 2013
Puzzle 7448 Jul 4 July 2013
Puzzle 7458 Jul 6 July 2013
Daily Killer Sudoku