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
Forbidden Legend | Elder Scrolls | Fandom
Forbidden Legend - The Elder Scrolls V: Skyrim Wiki Guide - IGN
Puzzle Variations at Skyrim Special Edition Nexus - Mods and Community
Demigod | WSGF
Talk:Folgunthur | Elder Scrolls | Fandom
Forbidden Legend - p. 2 | Side quests - The Elder Scrolls V: Skyrim Game Guide | gamepressure.com