Contribution #9844

Problem: en/12.1.4

fix minor issue and Added Luis's English solution of 12.1.4

Editor: Luis Daniel Fernández Quintana ( @Luisito )

Time: October 4, 2024 at 12:27 PM

GitHub commit: 3c6f18e85b8e83f944b8d0a00aefc6bf45abcfdb

+103 -10 lines changed