Killer Sudoku, Difficulty 10

Puzzle 6084 Oct 6 October 2012
Puzzle 6089 Oct 7 October 2012
Puzzle 6099 Oct 9 October 2012
Puzzle 6104 Oct 10 October 2012
Puzzle 6109 Oct 11 October 2012
Puzzle 6119 Oct 13 October 2012
Puzzle 6129 Oct 15 October 2012
Puzzle 6139 Oct 17 October 2012
Puzzle 6149 Oct 19 October 2012
Puzzle 6159 Oct 21 October 2012
Daily Killer Sudoku