This is the only canon puzzle (Dragonborn DLC - Kolbjorn Barrow) that's so obscure that I doubt the vast majority of players have solved without Google : r/skyrim
Folgunthur Puzzle - YouTube
Forbidden Legend - The Elder Scrolls V: Skyrim Wiki Guide - IGN
Forbidden Legend - The Elder Scrolls V: Skyrim Wiki Guide - IGN
Skyrim Walkthrough: Ep. 57 "Forbidden Legend" at Germund's Hall (Gauldur Amulet Fragment) - video Dailymotion
Forbidden Legend - p. 1 | Side quests - The Elder Scrolls V: Skyrim Game Guide | gamepressure.com
Skyrim - Folgunthur Puzzles - YouTube
How do I get past the four switches in Folgunthur? - The Elder Scrolls V: Skyrim
Talk:Folgunthur | Elder Scrolls | Fandom
Forbidden Legend - p. 1 | Side quests - The Elder Scrolls V: Skyrim Game Guide | gamepressure.com