Killer Sudoku, Difficulty 10

Puzzle 8285 Dec 18 December 2013
Puzzle 8295 Dec 20 December 2013
Puzzle 8305 Dec 22 December 2013
Puzzle 8315 Dec 24 December 2013
Puzzle 8325 Dec 26 December 2013
Puzzle 8335 Dec 28 December 2013
Puzzle 8345 Dec 30 December 2013
Puzzle 8350 Dec 31 December 2013
Puzzle 8355 Jan 1 January 2014
Puzzle 8360 Jan 2 January 2014
Daily Killer Sudoku