Killer Sudoku, Difficulty 7

Puzzle 21361 Jan 18 January 2021
Puzzle 21421 Jan 30 January 2021
Puzzle 21566 Feb 28 February 2021
Puzzle 21696 Mar 26 March 2021
Puzzle 21771 Apr 10 April 2021
Puzzle 21921 May 10 May 2021
Puzzle 22246 Jul 14 July 2021
Puzzle 22266 Jul 18 July 2021
Puzzle 22351 Aug 4 August 2021
Puzzle 22381 Aug 10 August 2021
Daily Killer Sudoku