I am sure this is simply not person mistake, Because the recovery phrase was present in two different destinations: backed up inside a file on S3, and printed on a piece of paper. Standard recovery phrases use a certain list of 2048 words pursuing the BIP39 standard (Bitcoin Enhancement Proposal https://bookmarkedblog.com/story19593238/detailed-notes-on-copyright-wallet-seed-phrase-out-of-bip39