the piano puzzle for the legendary artifact (and dog residue) says you only need to play the first 8 notes. but the statue where you get the notes only shows the first
Undertale - Piano puzzle solution - YouTube
Undertale - Snowdin explored: Mysterious door, puzzle solutions, and how to beat Doggo, Dogi, Greater Dog bosses | Eurogamer.net
But I Suck at Puzzles! (Undertale Fanart #2) by 1Rabbitty1 on DeviantArt
Ruins Puzzles | Undertale Wiki | Fandom
Semi Frequent Undertale Facts on Twitter: "* All release trailers for every version of Undertale have shown the Vent Puzzle from Hotland, it even became a constant gag for every trailer. Submitted