Killer Sudoku, Difficulty 10

Puzzle 10916 May 28 May 2015
Puzzle 10926 May 30 May 2015
Puzzle 10941 Jun 2 June 2015
Puzzle 10951 Jun 4 June 2015
Puzzle 10956 Jun 5 June 2015
Puzzle 10961 Jun 6 June 2015
Puzzle 10966 Jun 7 June 2015
Puzzle 10971 Jun 8 June 2015
Puzzle 10976 Jun 9 June 2015
Puzzle 10981 Jun 10 June 2015
Daily Killer Sudoku