Killer Sudoku, Difficulty 3

Puzzle 2801 Jan 3 January 2011
Puzzle 2805 Jan 4 January 2011
Puzzle 2810 Jan 5 January 2011
Puzzle 2815 Jan 6 January 2011
Puzzle 2820 Jan 7 January 2011
Puzzle 2825 Jan 8 January 2011
Puzzle 2830 Jan 9 January 2011
Puzzle 2835 Jan 10 January 2011
Puzzle 2840 Jan 11 January 2011
Puzzle 2845 Jan 12 January 2011
Daily Killer Sudoku