Killer Sudoku, Difficulty 10

Puzzle 983 Nov 21 November 2009
Puzzle 992 Nov 24 November 2009
Puzzle 995 Nov 25 November 2009
Puzzle 1013 Dec 1 December 2009
Puzzle 1022 Dec 4 December 2009
Puzzle 1025 Dec 5 December 2009
Puzzle 1052 Dec 14 December 2009
Puzzle 1061 Dec 17 December 2009
Puzzle 1067 Dec 19 December 2009
Puzzle 1070 Dec 20 December 2009
Daily Killer Sudoku