I took the index from the words, transformed the number to binary, extra 3 zeros, calculated the sha256 digest, took the very first Portion of the hexadecimal to convert it to binary, included three zeros into the 8 digits with the binary and acquired 00000010011 which interprets to 19 in https://madesocials.com/story4452052/the-fact-about-bip39-seed-phrase-word-list-that-no-one-is-suggesting