Killer Sudoku, Difficulty 10

Puzzle 8015 Oct 25 October 2013
Puzzle 8020 Oct 26 October 2013
Puzzle 8025 Oct 27 October 2013
Puzzle 8030 Oct 28 October 2013
Puzzle 8040 Oct 30 October 2013
Puzzle 8055 Nov 2 November 2013
Puzzle 8060 Nov 3 November 2013
Puzzle 8065 Nov 4 November 2013
Puzzle 8075 Nov 6 November 2013
Puzzle 8080 Nov 7 November 2013
Daily Killer Sudoku