Killer Sudoku, Difficulty 3

Puzzle 6097 Oct 9 October 2012
Puzzle 6107 Oct 11 October 2012
Puzzle 6117 Oct 13 October 2012
Puzzle 6127 Oct 15 October 2012
Puzzle 6137 Oct 17 October 2012
Puzzle 6147 Oct 19 October 2012
Puzzle 6157 Oct 21 October 2012
Puzzle 6167 Oct 23 October 2012
Puzzle 6177 Oct 25 October 2012
Puzzle 6187 Oct 27 October 2012
Daily Killer Sudoku