Killer Sudoku, Difficulty 3

Puzzle 370 May 2 May 2009
Puzzle 379 May 5 May 2009
Puzzle 382 May 6 May 2009
Puzzle 385 May 7 May 2009
Puzzle 391 May 9 May 2009
Puzzle 394 May 10 May 2009
Puzzle 397 May 11 May 2009
Puzzle 403 May 13 May 2009
Puzzle 406 May 14 May 2009
Puzzle 409 May 15 May 2009
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