I'm unfortunate to mention I have worked on solving puzzles again and again for times, progressively pissed off with myself for not being able to figure out the answer. But apparently there was Under no circumstances a practical answer, which you'll only know immediately after giving up and googling it. https://happy-color-sort-puzzle-o66655.ageeksblog.com/26868741/the-happy-color-sort-game-for-smart-tv-diaries