Contribution #1674

Problem: ru/2.1.30

Added 2.1.30, 2.1.39; Updated 2.1.23-2.1.38

Editor: Aliaksandr Melnichenka ( @astrosander )

Time: June 25, 2024 at 02:37 PM

GitHub commit: ee1d16daa721c3117fba2a77034b1b1ec6d71315

+119 -10 lines changed