I took the index from the words, converted the amount to binary, included three zeros, calculated the sha256 digest, took the initial Component of the hexadecimal to transform it to binary, included three zeros on the eight digits from the binary and obtained 00000010011 which interprets to 19 in decimal. https://bookmarkhard.com/story19592369/facts-about-bip39-seed-phrase-word-list-revealed