Killer Sudoku, Difficulty 10

Puzzle 12656 May 10 May 2016
Puzzle 12666 May 12 May 2016
Puzzle 12676 May 14 May 2016
Puzzle 12686 May 16 May 2016
Puzzle 12696 May 18 May 2016
Puzzle 12706 May 20 May 2016
Puzzle 12716 May 22 May 2016
Puzzle 12726 May 24 May 2016
Puzzle 12736 May 26 May 2016
Puzzle 12746 May 28 May 2016
Daily Killer Sudoku