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
the elder scrolls v skyrim - What should I do with the first puzzle in Folgunthur? - Arqade
Folgunthur - Skyrim Wiki
Talk:Folgunthur | Elder Scrolls | Fandom
Folgunthur Puzzle at start - Skyrim - YouTube
SKYRIM] Puzzle Guide - Folgunthur's Symbol Pillars & the Gauldur Amulet - YouTube