Fingering numbers in a chord stack in the same pitch order as the notes — bottom finger number for the bottom note, top for the top

When a chord has fingering marked on more than one note, the fingering numbers are stacked vertically in the same low-to-high order as the pitches themselves, each number aligned with its own notehead's height, not bunched at one height or reordered.

Gould; Read (piano chord fingering conventionally mirrors the chord's vertical pitch order).

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