Contribution #171

Problem: ru/1.3.28

Added 1.2.2 1.2.12 1.2.14 1.3.28 1.4.11 1.4.18

Editor: Aliaksandr Melnichenka ( @astrosander )

Time: October 12, 2023 at 09:40 AM

GitHub commit: 135c2605fd2e3908d8556d6acb8d495a338775f3

+237 -47 lines changed