Killer Sudoku, Difficulty 7

Puzzle 22471 Aug 28 August 2021
Puzzle 22871 Nov 16 November 2021
Puzzle 22921 Nov 26 November 2021
Puzzle 22981 Dec 8 December 2021
Puzzle 23071 Dec 26 December 2021
Puzzle 23261 Feb 2 February 2022
Puzzle 23453 Mar 12 March 2022
Puzzle 23473 Mar 16 March 2022
Puzzle 23638 Apr 18 April 2022
Puzzle 23699 Apr 30 April 2022
Daily Killer Sudoku