Contribution #775

Problem: ru/2.7.26

Added 2.7.26 2.7.28

Editor: Aliaksandr Melnichenka ( @astrosander )

Time: December 16, 2023 at 10:41 AM

GitHub commit: 994b920c6813fa0900b048af09f6f6bdc03fcd55

+181 -0 lines changed