Contribution #1739

Problem: ru/2.2.21

Added 2.2.21; Updated 2.2.22

Editor: Aliaksandr Melnichenka ( @astrosander )

Time: June 30, 2024 at 10:08 AM

GitHub commit: 8ff5d5d8fe89411ff789b339362560cbed62ee80

+89 -7 lines changed