Contribution #446

Problem: ru/2.8.9

Added 2.8.6 2.8.9

Editor: Aliaksandr Melnichenka ( @astrosander )

Time: November 4, 2023 at 09:55 PM

GitHub commit: b765e1c813d768a9ca7af493a3ba277749a60eb2

+245 -50 lines changed