Killer Sudoku, Difficulty 10

Puzzle 6005 Sep 20 September 2012
Puzzle 6010 Sep 21 September 2012
Puzzle 6020 Sep 23 September 2012
Puzzle 6030 Sep 25 September 2012
Puzzle 6040 Sep 27 September 2012
Puzzle 6050 Sep 29 September 2012
Puzzle 6060 Oct 1 October 2012
Puzzle 6065 Oct 2 October 2012
Puzzle 6069 Oct 3 October 2012
Puzzle 6079 Oct 5 October 2012
Daily Killer Sudoku