Greater-Than Killer Sudoku, Difficulty 10

Puzzle 4073 Aug 29 August 2011
Puzzle 4133 Sep 10 September 2011
Puzzle 4143 Sep 12 September 2011
Puzzle 4183 Sep 20 September 2011
Puzzle 4188 Sep 21 September 2011
Puzzle 4214 Sep 26 September 2011
Puzzle 4224 Sep 28 September 2011
Puzzle 4268 Oct 7 October 2011
Puzzle 4309 Oct 15 October 2011
Puzzle 4324 Oct 18 October 2011
Daily Killer Sudoku