I took the index on the words, converted the amount to binary, extra three zeros, calculated the sha256 digest, took the 1st A part of the hexadecimal to convert it to binary, additional a few zeros to your 8 digits with the binary and obtained 00000010011 which interprets to 19 https://bookmarkspring.com/story14482510/new-step-by-step-map-for-ledger-seed-phrase-bip39