I took the index in the words, converted the range to binary, extra a few zeros, calculated the sha256 digest, took the 1st A part of the hexadecimal to transform it to binary, included three zeros for the 8 digits on the binary and obtained 00000010011 which interprets to 19 https://bookmark-rss.com/story18802765/the-fact-about-bip39-seed-phrase-word-list-that-no-one-is-suggesting