Contribution #736

Problem: ru/2.3.26

Added 2.3.26 2.3.27 2.3.28

Editor: Aliaksandr Melnichenka ( @astrosander )

Time: December 3, 2023 at 08:29 PM

GitHub commit: cf1bd8c318c5000f797583e001351e620b4f6ab2

+173 -0 lines changed