Contribution #1480

Problem: en/4.2.13

Added Luis's English solution of 4.2.13

Editor: Luis Daniel Fernández Quintana ( @Luisito )

Time: June 22, 2024 at 02:03 AM

GitHub commit: 2dfd0dc76e18038425c9f8991b310313faa264a8

+153 -10 lines changed