Killer Sudoku, Difficulty 3

Puzzle 2263 Oct 18 October 2010
Puzzle 2267 Oct 19 October 2010
Puzzle 2272 Oct 20 October 2010
Puzzle 2276 Sep 25 September 2010
Puzzle 2281 Sep 26 September 2010
Puzzle 2286 Sep 27 September 2010
Puzzle 2291 Sep 28 September 2010
Puzzle 2296 Sep 29 September 2010
Puzzle 2299 Sep 30 September 2010
Puzzle 2304 Oct 1 October 2010
Daily Killer Sudoku