Killer Sudoku, Difficulty 3

Puzzle 3293 Apr 14 April 2011
Puzzle 3298 Apr 15 April 2011
Puzzle 3303 Apr 16 April 2011
Puzzle 3308 Apr 17 April 2011
Puzzle 3313 Apr 18 April 2011
Puzzle 3318 Apr 19 April 2011
Puzzle 3322 Apr 20 April 2011
Puzzle 3327 Apr 21 April 2011
Puzzle 3332 Apr 22 April 2011
Puzzle 3337 Apr 23 April 2011
Daily Killer Sudoku