Killer Sudoku, Difficulty 10

Puzzle 1079 Dec 23 December 2009
Puzzle 1085 Dec 25 December 2009
Puzzle 1088 Dec 26 December 2009
Puzzle 1094 Dec 28 December 2009
Puzzle 1100 Dec 30 December 2009
Puzzle 1112 Jan 3 January 2010
Puzzle 1115 Jan 4 January 2010
Puzzle 1145 Jan 14 January 2010
Puzzle 1148 Jan 15 January 2010
Puzzle 1166 Jan 21 January 2010
Daily Killer Sudoku