Killer Sudoku, Difficulty 3

Puzzle 3673 Jun 10 June 2011
Puzzle 3677 Jun 11 June 2011
Puzzle 3687 Jun 13 June 2011
Puzzle 3697 Jun 15 June 2011
Puzzle 3707 Jun 17 June 2011
Puzzle 3717 Jun 19 June 2011
Puzzle 3726 Jun 21 June 2011
Puzzle 3736 Jun 23 June 2011
Puzzle 3746 Jun 25 June 2011
Puzzle 3756 Jun 27 June 2011
Daily Killer Sudoku