I took the index of the words, transformed the number to binary, additional 3 zeros, calculated the sha256 digest, took the 1st Element of the hexadecimal to transform it to binary, included three zeros towards the 8 digits of the binary and acquired 00000010011 which interprets to 19 in decimal. https://hylistings.com/story19916766/the-fact-about-bip39-seed-phrase-word-list-that-no-one-is-suggesting