Hello everyone! Author of IDEA here - great to hear that this has caught some attention.

As it happens, these instructions were developed in the course of a 1st-year undergraduate course, so it's tried and tested in teaching noobs.

There is even a song-and-dance version (sorry, German lyrics): https://youtu.be/iq_TcSvWaY4

Cheers, Sándor Fekete, Professor for Algorithmics, TU Braunschweig https://www.ibr.cs.tu-bs.de/users/fekete/