This WSQ has been the hardest one I’ve done, not because of the concepts of programming, but because I couldn’t understand what a Lychrel number was! But finally after a little research and some cooperative work with my friend Luis, finally it worked.

qwe1qwe2

qwe3

Here’s the source code.

CC BY 4.0 WSQ11 – Yo Soy 196 by davidg2897 is licensed under a Creative Commons Attribution 4.0 International License.