I took the index from the words, converted the quantity to binary, included a few zeros, calculated the sha256 digest, took the main Section of the hexadecimal to transform it to binary, extra 3 zeros on the eight digits on the binary and bought 00000010011 which interprets to 19 in https://socialclubfm.com/story10261192/ledger-seed-phrase-bip39-no-further-a-mystery