I took the index on the words, transformed the number to binary, included three zeros, calculated the sha256 digest, took the 1st Portion of the hexadecimal to transform it to binary, added 3 zeros for the eight digits from the binary and acquired 00000010011 which interprets to 19 in decimal. https://ledbookmark.com/story4676234/facts-about-bip39-seed-phrase-word-list-revealed