I took the index with the words, transformed the quantity to binary, additional a few zeros, calculated the sha256 digest, took the primary A part of the hexadecimal to convert it to binary, added three zeros on the eight digits with the binary and obtained 00000010011 which interprets to 19 https://letusbookmark.com/story20428882/the-5-second-trick-for-ledger-seed-phrase-bip39