Killer Sudoku, Difficulty 3

Puzzle 2850 Jan 13 January 2011
Puzzle 2855 Jan 14 January 2011
Puzzle 2860 Jan 15 January 2011
Puzzle 2865 Jan 16 January 2011
Puzzle 2870 Jan 17 January 2011
Puzzle 2875 Jan 18 January 2011
Puzzle 2880 Jan 19 January 2011
Puzzle 2885 Jan 20 January 2011
Puzzle 2889 Jan 21 January 2011
Puzzle 2894 Jan 22 January 2011
Daily Killer Sudoku