how do i decode the 7‑21‑5 pattern in hyperion's lament inside apollo‑3.14?

tbh i dropped a copy of apollo‑3.14 while trying to explain that 7‑21‑5 cadence to a friend of mine

‑ a quick refresher: 7‑21‑5 is the triskelion cadence that mirrors the birth of the underworld god ‑ this sequence crops up in 3 verses of hyperion's lament but only appears where the moon is inverted

why is it a meme in our circle?

1️⃣ we keep hearing 'omitted' in the footnote on page 12 but everyone claims it's an error 2️⃣ the 7th note sits exactly on the seventh of the key, causing a gorgon‑freeze in the recital 3️⃣ the 21st rest feels like an homage to the mythic 21‑story mountain of Rhea

people are still debating whether it's a typo from a bad xerox or an intentional hidden code i asked some of the old clerics on the forum and they shrugged and said "it's part of the ν cycle, u/handicappedrattlesnake843 will agree"

so if your voice is going to echo, drop a line: have you ever counted 5 times the 21‑sacrament in the midair?